HYKKER CHRONO 4 User manual

USER MANUAL
CHRONO 4
We create for you.
Thank you for choosing HYKKER product. This product has been designed especially
for you. We are doing everything to make its use pleasurable and comfortable. We
made sure that elegance, functionality and convenience of use were combined with
an affordable price.
For the sake of your safety, please read this manual carefully.

© 2020 HYKKER. All rights reserved. CHRONO 4
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Equipment delivery point:
mPTech Sp. z o.o.
Krakowska 119 street
50-428 Wrocław
Poland
Helpline: ([phone]
E-mail: [e-mail]
www: www.hykker.com
Manufacturer:
mPTech Sp. z o.o.
Nowogrodzka 31 street
00-511 Warsaw
Poland
Designed in Poland
Made in China
1. Table of contents
1. Table of contents.............................................................................................2
2. Safety of use.....................................................................................................3
3. Technical Specification ..................................................................................4
3.1 Technical data .............................................................................................................. 4
3.2 Package content .......................................................................................................... 5
4 Arrangement of the smartwatch elements.................................................5
4.1 Smartwatch (Fig. 1)...................................................................................................... 5
4.2 Inside (Fig. 2)................................................................................................................. 6
5. Using the touch screen ..................................................................................6
5.1. Touch ............................................................................................................................ 6
5.2 Swipe.............................................................................................................................. 6
6. Before the first start .......................................................................................7
6.1 Installing a SIM card.................................................................................................... 7
6.2 Installation of the memory card................................................................................ 7
6.3 Charging the battery................................................................................................... 7
7. Smartwach operation .....................................................................................8
7.1 Switching the smartwatch on/off ............................................................................ 8
7.2. Computer connection................................................................................................ 8
7.3 Activate and fade out the screen ............................................................................. 8
7.4 Smartwatch plates....................................................................................................... 8
7.5 Main Desktop............................................................................................................... 9
7.6 Making calls .................................................................................................................. 9
7.7. Answering calls ......................................................................................................... 10
7.8 Text message support............................................................................................... 10
7.9 Pedometer................................................................................................................... 11
7.10 Calendar .................................................................................................................... 11
7.11 Phonebook ............................................................................................................... 11
7.12 Smartwatch settings ............................................................................................... 11
7.13 Taking pictures with the built-in camera............................................................ 12
7.14 File manager............................................................................................................. 12
7.15 Playing music from a memory card ..................................................................... 12
7.16 Call center................................................................................................................. 12
7.17 Sedentary reminder ................................................................................................ 13

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7.18 Bluetooth settings................................................................................................... 13
7.19 QR code to download the smartphone app....................................................... 14
7.20 "Anti lost" option..................................................................................................... 14
7.21 Smartphone notifications ...................................................................................... 14
7.22 Remote control of camera of the paired smartphone ..................................... 14
7.23 Sound profiles.......................................................................................................... 15
7.24 Calculator.................................................................................................................. 15
7.25 Sound recorder ........................................................................................................ 15
7.26 Sleep monitor........................................................................................................... 15
7.27 Alarm.......................................................................................................................... 15
7.28 Gallery - Viewing photos ....................................................................................... 16
8. Text imput - virtual keyboard.................................................................... 16
9. Troubleshooting .......................................................................................... 17
10. Protection of personal data and important information................... 18
11. Maintenance of the device ...................................................................... 18
12. Surroundings security ............................................................................... 18
13. Correct disposal of used equipment...................................................... 19
14. Correct disposal of used battery ............................................................ 19
15. The use of the manual............................................................................... 19
15.1 Consents ................................................................................................................... 19
15.2 Appearance .............................................................................................................. 20
15.3 Trademarks............................................................................................................... 20
16. Specific absorption rate (SAR) ................................................................ 20
17. Declaration of conformity with European Union Directives ........... 20
18. Warranty...................................................................................................... 20
2. Safety of use
—DO NOT RISK—
All wireless devices may cause interferences, which could affect the performance of
other devices. Do not switch on the device when the use of mobile phones is
prohibited or if it might cause interference or danger.
—QUALIFIED SERVICE—
Only qualified personnel or an authorized service center may install or repair this
product. Repairing the device by an unqualified or unauthorized service technician
may result in damage to the device and void the warranty.
—PETROL STATIONS—
Always turn off the device while refuelling your car on petrol station. Do not use
your device close to chemicals.
—ROAD SAFETY—
Do not use this device while driving any kind of vehicle.

© 2020 HYKKER. All rights reserved. CHRONO 4
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—RESTRICTED AREAS—
Switch OFF the device in an airplane since it may disturb the operation of other
equipment located therein. The device may interfere with operation of the medical
equipment in hospitals and health protection entities. Abide by any kinds of
prohibitions, regulations and warnings conveyed by the medical staff.
—PHYSICALLY OR MENTALLY DISABLED PEOPLE—
This device should not be operated by people (including children) with limited
physical or mental abilities, as well as by people with no earlier experience in
operation of electronic equipment. They may use the device only under supervision
of people responsible for their safety.
—CHILDREN—
This device is not a toy. Memory card and SIM card are small enough to be
swallowed by a child and cause choking. Keep the device and its accessories out of
reach of children.
—WATER AND OTHER LIQUIDS—
Protect the device from water and other liquids. It can influence work and the life
span of electronic components. Avoid using the device in environments with high
humidity like kitchens, bathrooms or during rainy weather. Particles of water can
cause the liquefaction of moisture in the device, and this may have a negative impact
on the work of electronic components.
—BATTERY AND ACCESSORIES—
Avoid exposing the battery to very high/low temperatures (below 0°C/32°F and
over 40°C/104°F). Extreme temperatures may influence capacity and battery life.
Avoid contact with liquids and metal objects as it may cause partial or complete
battery damage. The battery should be used according to its purpose. Do not
destroy, impair or throw the battery into flames - it might be dangerous and may
cause fire. Worn-out or impaired battery should be placed in a dedicated container.
Installing an incorrect battery type can cause an explosion. Never open the battery.
Please dispose of battery according to the instructions. Disconnect an unused
charger from power grid. In case of the charger wire damage, it should not be
repaired but replaced with a new one. Use the original manufacturer’s accessories
only.
—HEARING—
To avoid hearing damage, do not use the device at high volume levels
for a long period of time, do not put the device operating and playing
loudly directly to the ear.
3. Technical Specification
3.1 Technical data
Model
CHRONO 4
EkranDisplay
1.22" IPS, 240x240 px, colour, touchscreen, round
Processor
MTK 6261
SIM card support
Yes, one microSIM card
GSM frequency support
2G, 850/900/1800/1900 MHz

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RAM/ROM memory
128 MB / 32 MB
Memory cards support
Yes, a microSD card up to 32 GB
Compatibility
Smartphones and tablets with Android 4.3 or later
Additional
Bluetooth 3.0, microphone, digital camera, speaker
Housing
Metal + plastic
Strap
Silicone, adjustable, exchangeable
Battery
Interchangable, Li-ion 280 mAh 3.7V
Power supply
USB, 5V 1.5A
Dimensions of the housing
53 x 44.9 x 13.3 mm
Weight of the device
60g
3.2 Package content
•CHRONO 4 Smartwatch
•Battery: 280 mAh
•Cord USB - microUSB
•USER MANUAL
If any of the above items is missing or damaged, please contact your dealer. We advise to
keep the container in case of any complaints.
The appearance of the product (shape and colours) and menu may differ from the pictures
and drawings in this manual.
4 Arrangement of the smartwatch elements
4.1 Smartwatch (Fig. 1)
1. Camera lens
2. Microphone
3. MicroUSB socket (under an
elastic plug).
4. Button
5. Touch screen
6. Strap buckle
7. Strap
8. Speaker
9. Cutout for opening the cover

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4.2 Inside (Fig. 2)
10. Battery
11. MicroSIM card slot
12. MicroSD card slot
5. Using the touch screen
The touch screen will be turned off after some time of inactivity. To turn on the
screen press the button on the smartwatch.
A touch screen of the device lets you easily select items or perform operations. The
touchscreen can be controlled by the following actions:
5.1. Touch
Touch once to start an option, start an
application, select or launch menu.
5.2 Swipe
Quickly swipe up, downwards (back to
desktop), left or right (changes icon screens) to
move the list or screen.

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You can set how long your device is on hold before fading the screen. Select the
icon from the menu . From the menu [Settings] > [Phone settings] >
[Misc.settings] > [LCD backlight]. Here you can specify the time after which the
screen should be locked/deactivated.
6. Before the first start
6.1 Installing a SIM card
When you switch on a smartwatch that has a PIN-protected SIM card inserted,
you will have to enter this number.
The Hykker Smartwatch can act as a simple mobile phone. You can install a SIM card
to handle calls and to receive and send SMS messages.
To correctly insert the microSIM card from a switched off smartwatch, remove the
cover (using your fingernail to undermine the cover). Take the battery out. Open the
card protection cover with your fingernail - slide it slightly towards the strap and lift
it gently. Insert the microSIM card into the slot according to the notches on the
frame. Lower the safety flap gently and push it slightly downward to the middle of
the smartwatch. Install the battery carefully and paying attention to where the
contacts are situated, and close the cover.
6.2 Installation of the memory card.
The memory card is not included in the set and you need to purchase it
separately. Use only compatible and manufacturer-approved memory cards. Using
incompatible memory cards can damage the device and delete data stored on them.
Incompatibility may include incorrect card format (microSD format required) or excessive
card capacity (over 32 GB).
To correctly insert the memory card remove a cover from a switched off
smartwatch, (using your fingernail to lift the cover). Take the battery out. Insert the
microSD card into a suitable slot with the contacts fitted into the smartphone. Install
the battery carefully and close the cover.
6.3 Charging the battery
Charge the battery before the first use. Charge the battery pack with the cable
included in the set. In case of any problems with the battery or if in need of a replacement,
the device should be delivered to the manufacturer's service center. Use only chargers
and cables approved by the manufacturer. Using incompatible chargers or cables can
cause explosion of the battery or damage to your device. When the battery is fully
discharged, the device may not turn on, even if it is plugged and charging.
Incorrect connection of USB plug can cause damage to the AC adapter or the device.

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All damages resulting from improper handling are not covered by the warranty.
The device can heat up during charging. It is a regular occurrence and should not
affect the stability or performance of the device.
If the device does not charge properly deliver it, with the USB cable included, to a
service center of the manufacturer.
To charge the battery, open the flexible cover of the microUSB port on the
smartwatch. Plug the supplied microUSB plug into the smartwatch port. Plug the
USB plug at the other end of the cable into a USB port on your computer, laptop,
portable charger, or network charger. When charging starts, the battery icon in the
top right corner of the screen will change to animated. When the icon's animation
stops, the battery is fully charged or the power of the source (portable charger,
laptop) is depleted and the process can be completed. Disconnect the USB cable
from the power source and the smartwatch. Close the port cover on the smartwatch.
7. Smartwach operation
7.1 Switching the smartwatch on/off
Turning off the device before the completion of operations may result in the
loss of data or information that is currently being edited.
To turn on the unit, press and hold (approx. 3 seconds) the button (4) on the
smartwatch. To turn off the unit, press and hold (for approx. 3 seconds) the button
(4) on the smartwatch and confirm.
7.2. Computer connection
To connect the device to PC computer with Microsoft Windows XP/Vista/7/8/10
using USB you should plug the included USB cable to a multifunctional USB socket
in the smartwatch. Plug the other end of the cable into the socket in your computer.
The smartwatch will display a message about connecting the USB charger, as well as
a selectable menu: Select the [USB] option (or do nothing) to charge the battery.
When [Mass storage] is selected, the memory card drive will appear in Windows
Explorer if it is mounted in smartwatch. If memory is available and there is free space,
you can exchange files between your computer and your smartwatch.
[COM Port] option is designed for service activities, including updating the firmware
of the smartwatch. Each option of connecting to a computer will result in additional
charging of the battery in the smartwatch.
7.3 Activate and fade out the screen
Shortly pressing the smartwatch button (4) while on the home screen will turn off
the screen. To wake the device from sleep, simply press the smartwatch button (4)
once and the watch plate will appear.
7.4 Smartwatch plates
You can change the appearance of the watch display in the smartwatch. When the
smartwatch has been activated, you can select one of the three watch plates by

EN © 2020 HYKKER. All rights reserved. CHRONO 4
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pressing the button (4). To do this, you need to tap your finger lightly on the screen.
Below you can see a preview of the smartwach plates.
7.5 Main Desktop
You can activate the Smartwach main menu by pressing the button (4) once to
activate the screen and then swipe your
finger from right to left or from left to
right.
In addition to the time and date (3) and
icons for GSM signal strength (1),
operation mode, Bluetooth status,
unread messages, missed calls and
battery charge (2), the desktop displays
large icons for call and message
handling applications (4). Slide your
finger to the right or left to activate the
application menu (icons for each
application grouped by 3 on each
screen).
7.6 Making calls
When a GSM operator SIM card is installed in the smartwatch or paired with a
smartphone via Bluetooth, it is possible to make voice calls using the smartphone.
Smartwatch has a built-in microphone and speaker. The call function can be
activated by clicking on the icon in the menu.
The phone keyboard will appear, where you
can dial the number of the person you want
to call or click the icon to select a person from
the phonebook .
When you enter the number and press the
green phone icon or select a contact

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from the phonebook enter options and select [Call] a call will start if there is
a SIM card installed. Otherwise, a menu appears with the option to select connection
via the installed SIM card or a smartphone paired with a smartwatch [BT
Connection]
1. Ending call
2. Keypad
3. Settings
4. Mute speaker
5. Mute mic.
6. Volume control
7. Phonebook
7.7. Answering calls
When a microSIM from a GSM operator is installed in the smartwatch or paired with
a smartphone via Bluetooth, the user can receive and start calls with both the
smartwatch SIM card number and the paired phone. The screen will display the
caller's number and name (company name) if entered in the phonebook, as well as
the green and red phone icons. Selecting green will answer the call, red will reject
the call.
7.8 Text message support
After pairing the smartwatch with your smartphone via Bluetooth or installing a
GSM operator card, you can receive and send text messages via the smartwatch.
The SMS function can be activated by clicking on the icon on the main
desktop or in the smartwatch menu. You will see a menu for managing text
messages. You can create, send, store, receive and read them. The capabilities are

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almost identical to those of a smartphone.
7.9 Pedometer
Remember that the device reads the movements of your hand while walking or
running. When you finish the activity, turn off the reading of data. If you sit at your desk
and make various movements with your hand, these can be read as steps that will disturb
the pedometer data.
The number of calories burned is calculated from a formula, where the user's weight
of 75 kg, step length - 60 cm and speed of 5.5 km/h are assumed.
Smartwatch is equipped with a G-Sensor, which allows you to use the device to
measure user activity. When walking, we usually wave our hands, which the device
can read and write in its memory as taking steps. The application shows the duration
of activity, as well as the number of steps taken and calories burned. Reading data
is started and paused manually.
The pedometer application can be called up by clicking on the icon in the
smartwatch menu. The pedometer screen will appear. You can start measuring
activity.
7.10 Calendar
A calendar application is built into the smartwatch. The calendar application can be
called up by clicking on the icon in the smartwatch menu. The calendar
screen will appear. To exit the calendar slide the screen in any direction.
7.11 Phonebook
After pairing your smartwatch with your smartphone via Bluetooth or when you
install a GSM operator card (microSIM) in it, it is possible to handle contacts from
both the paired smartphone and those stored in the memory of the SIM card. The
contact control function can be called up via:
•Click the icon on the phone keyboard (bottom left corner),
•clicking on the icon in the smartwatch menu.
You will see a menu for managing phonebook.
7.12 Smartwatch settings
To configure the smartwatch, select the icon from the menu . You can change

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options almost as with most smartphones. Available are: date, time, language, screen
lock and backlight, input method options, notification, network (call waiting, GPRS),
notification, factory reset.
7.13 Taking pictures with the built-in camera
This option does not work without installed microSD card.
To start the camera, select the icon from the menu. Photos are stored on an
inserted memory card. To take a picture, after activating the camera application,
touch the icon that appears in the lower middle of the screen.
7.14 File manager
This option does not work without installed microSD card.
By selecting the icon from the menu, the user can view the files stored on
the microSD memory card mounted in the smartphone. The ones that can be opened
will have the icon changed to speaker or clip icon. It will be launched after double-
clicking the file or selecting [Play] or [Preview].
7.15 Playing music from a memory card
Please note that music files can be prepared with different apps and codecs, so
not every file with given extension will be played on the device.
The files do not have to be kept in one folder. You can upload music sorted in
different folders.
Smartwatch can play music from AAC, AMR and MP3 files.
To be able to play music, create a [My music] folder in the root directory of the
memory card and copy the audio files to it.
To start an application select icon from the menu. You can control playback
by selecting next and previous song, pause, and increase or decrease the volume.
7.16 Call center
By selecting the icon from the menu, the user has access to the history of
calls - missed, dialled, received for both the installed SIM card and the Bluetooth
paired smartphone. In each of these options you can preview the event - it shows
the number, date, time and time of the call. The user also has the possibility to call

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back, send a text message, save the number to the phonebook or delete an entry.
The call history works for both the SIM card installed in the smartwatch and the
smartphone paired with it via Bluetooth. In addition, it is possible to set up call
waiting, call forwarding and receiving calls.
7.17 Sedentary reminder
The application Sedentary reminder - the icon in the application menu - is
useful when the user sits for too long in one position, which may badly affect the
condition of his body. You can set the time and form of the alarm. Doctors and
ergonomics specialists recommend not to sit for too long without movement and
from time to time get up, walk a little, do some stretching exercises. This has a
positive effect on the skeletal-articular system, muscles, the circulatory system and
allows your eyes to rest, because staring at a picture at the same distance for a long
time can cause a vision impairment. People who use monitors rarely blink, so their
eyes are not properly moisturized and the effect of a dry eye occurs - "sand in the
eyes". The user is free to choose the alarm start time, which is optimal for him to
rest for a while without disrupting his work.
7.18 Bluetooth settings
It is worth remembering that pairing with a new device will only be possible if the
smartphone is not connected to any other smartphone. If it is, disconnect it from your
current smartphone first and then pair it with the new one.
By selecting the icon from the menu, the user can enable/disable Bluetooth
wireless communication and control its parameters. The user can determine the
visibility of the smartwatch to other devices within range of the wireless connection,
and change the name presented to these devices. This is also where you can search
for and pair your smartphone.

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7.19 QR code to download the smartphone app
To install an app on your smartphone,
simply scan the posted QR code. The
program allows for cooperation of the
smartwatch with a smartphone paired
via Bluetooth. When installing it, you
must enable the possibility of
installation from an external source
and agree to the application's access
to the functions and resources of the
smartphone.
7.20 "Anti lost" option
By selecting an icon from the menu, the user has the possibility to switch on
an alarm notifying the user about moving away from the phone (it can prevent the
loss or theft of the smartphone), as well as a second useful function, which is the
possibility to make the phone ring when the user cannot find the paired smartphone
- the installation of the application is required (chapter 7.19). If the paired devices
are moved away from each other at such a distance that the Bluetooth connection
is interrupted, a message is displayed on the smartwatch and an alarm switches on
in one of the forms [Ring Only], [Vibration Only], [Vibration and Ring] selected by
the user.
7.21 Smartphone notifications
By selecting the icon from the menu, the user can view all notifications that
are sent from the smartphone - an installed application is required (chapter 7.19).
The application on the smartphone, which can be downloaded from Google Play
using the QR code mentioned earlier in this manual, decides which programs will
send notifications to the smartwatch.
7.22 Remote control of camera of the paired smartphone
Select an icon from the menu in the smartwatch and you can use the remote
camera. By selecting this option the user can control the camera of the smartphone

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paired with the smartwatch - an installed application is required (chapter 7.19). The
smartwatch screen will show a preview of the image from the smartphone camera
lens (with a slight delay). You can take a picture, it will be saved in the memory of
the smartphone. Before running this option, download the smartphone application
using the QR code from the previous page and pair the smartphone with the
smartwatch, then run the application.
7.23 Sound profiles
By selecting icon the user may decide which sound profile is to be used on
the smartwatch. They are similar to those found in phones and smartphones. You
can choose from: General, Silent, Meeting, Ourdoor.
7.24 Calculator
The calculator app is switched on by pressing icon. The application allows
you to perform basic operations - adding, subtracting, multiplying and dividing.
7.25 Sound recorder
This option does not work without installed microSD card.
By selecting the icon from the menu, the user can use the built-in sound
recorder in the smartwatch. You can record an important conversation, lecture or
voice memo. If there are more recordings, you can switch to the next or previous
ones.
7.26 Sleep monitor
By selecting icon, the user can start the application monitoring sleep quality
and length. Once activated, it recognizes the user's hand movements if the
smartwatch is fastened at the wrist of the sleeping person. When you wake up, you
can pause or reset the sleep timer and sleep quality assessment. The data is NOT
stored in the device memory and when the application is switched off or the device
is switched off, the counter will reset.
7.27 Alarm
By selecting the icon from the menu, you can set the times when the alarm
will sound. It can remind you of important tasks, but also can act as an alarm clock.
You can select a ringtone.

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7.28 Gallery - Viewing photos
The device supports JPG format only.
This option does not work without installed microSD card.
By selecting icon the user can view through photos saved on the smartwatch
memory or installed memory card. These should be stored in the root directory of
the smartphone memory or memory card in the [Photos] directory. To view a picture
you need to touch it with your finger. The pictures can be used as wallpaper, as well
as screens visible when turning the smartwatch on and off. The user can also send
them to the device paired with the smartwatch via a wireless Bluetooth connection.
8. Text imput - virtual keyboard
Text is entered using a virtual alphanumeric keyboard. It is switched on by clicking
empty fields if there is a possibility of writing sth. It allows you to enter upper and
lower case letters as well as diacritic characters. To enter Polish characters or
symbols, you must select the appropriate text input method. The user has to decide
which one is the best, but the version of "Pl" is set at default.
No
.
Funcitons
1
An asterisk - calls up a menu with symbols - special characters.
2
Backspace – erases the sign behind which the cursor is placed.
3
Space - gap (blank space, blank character) or 0 (zero).
4
Short clicks allow you to enter a character from the list or a
number.
5
Menu where you can set the method of text input.
6
A symbol called a cross, a check, a fence or "hash".
7
Hiding the keyboard.
To close the keyboard and see what is written when it covers part of the content,

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click the icon .
9. Troubleshooting
If you have problems with the unit, please refer to the following tips.
Problems with the
microSD card
Check if it is properly mounted.
Check if the card is correctly formatted.
Use another memory card - pay attention to the
speed (class) and capacity of the card.
Problems with
GSM connection
from SIM card in
the smartwatch
Check if SIM is properly mounted.
Check if there are funds on the card, if it is a prepaid
card.
Check whether the plane mode has been activated
in the smartwatch.
There are problems
with the sound
from the built-in
loudspeaker
Check that the smartwach hasn't been muted.
Check if silent mode has not been activated
Check the setting of notification volume.
Check that the files set as ringtones are not
corrupted, if so, select another song.
The caller can't
hear me
Check whether the speaker is not covered.
Make sure the microphone is not muted.
The recorded
sound is of poor
quality
Check whether the speaker is not covered.
I cannot hear the
caller during the
conversation
Check if the speaker hasn't been muted.
Check that the sound amplification is not set too low.
Cannot connect
the device to a
smartphone via
Bluetooth
Check that the Bluetooth module is running on both
devices.
Check the visibility options, as it is possible that a
device is set as invisible.
Check the distance between devices - in an open
space it is a maximum of 10 meters, but in a house
the distance drops drastically through furniture,
walls and wiring and installations in the walls.
Check whether the plane mode has been activated
in the smartwatch.
Smartwatch does
not turn on
Charge the battery. The device can be switched on
when the battery power level is at least several
percent.

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The screen image
is poorly visible
Check the brightness level. If necessary, set a higher
backlight value.
I can't store
anything in the
smartwatch
memory
Check the amount of memory space in the
smartwatch. If there is not enough, save the data to
the card or release some storage by deleting
unnecessary files.
If the problem persists, contact service center.
10. Protection of personal data and important information
It is recommended to regularly back up important data. The manufacturer is not liable for
any loss of information.
Before throwing the unit away or reselling it, delete all data by clicking on the last
item [Restore settings] in the smartwatch settings . Enter the password to
access the device. You can set it yourself, but at the factory it is fixed to sequence
1122.This way you can protect yourself from accessing your personal information
by unauthorized people.
11. Maintenance of the device
To extend the service life of the device:
•Keep the device and its accessories out of reach of children.
•Avoid contact with liquids; it can cause damage to electronic components of
the device.
•Avoid very high temperatures for it can shorten the life of device electronic
components, melt the plastic parts and destroy the battery.
•Do not try to disassemble the device. Tampering with the device in an
unprofessional manner may cause serious damage to the phone or destroy it
completely.
•For cleaning use only a dry cloth. Never use any agent with a high
concentration of acids or alkalis.
•Use the original accessories only. Violation of this rule may result in an
invalidation of the warranty.
The packaging of the device can be recycled in accordance with local
regulations.
12. Surroundings security
Turn off the device in areas where its use is forbidden or when it may cause
interference or danger.

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Attention
Statement
The manufacturer is not responsible for any
consequences caused by improper usage of the
device and not obeying the above instructions.
The software version can
be upgraded without
earlier notice.
Maximum radio-frequency power transmitted in the frequency band(s)
in which the radio equipment operates
Frequency Range
GSM 850 / 900 /
1800 / 1900 MHz
Bluetooth 2402-2480
MHz
Transmit Power
2W / 1W
2.83 dBm EIRP
13. Correct disposal of used equipment
The device is marked with a crossed-out garbage bin, in accordance with
the European Directive 2012/19/EU on used electrical and electronic
Equipment (Waste Electrical and Electronic equipment - WEEE).
Products marked with this symbol should not be disposed of or dumped
with other household waste after a period of use. The user is obliged to
get rid of used electrical and electronic equipment by delivering it to
designated recycling point in which dangerous waste are being recycled. Collecting
this type of waste in designated locations, and the actual process of their recovery
contribute to the protection of natural resources. Proper disposal of used electrical
and electronic equipment is beneficial to human health and environment. To obtain
information on where and how to dispose of used electrical and electronic
equipment in an environmentally friendly manner user should contact their local
government office, the waste collection point, or point of sale, where the equipment
was purchased.
14. Correct disposal of used battery
According to the EU directive 2006/66/EC with changes contained in
EU directive 2013/56/UE on the disposal of batteries, this product is
marked with crossed-out garbage bin symbol. The symbol indicates that
the batteries used in this product should not be disposed with regular
household waste, but treated according to the legal directives and local regulations.
It is not allowed to dispose of accumulators with unsorted municipal waste. Users of
accumulators must use the available collection points of these items, which allows
them to return, recycle and dispose of the accumulators. Within the EU, the
collection and recycling of batteries and accumulators is a subject to separate
procedures. To learn more about existing procedures of recycling of accumulators
please contact your local office or an institution for waste disposal or landfill.
15. The use of the manual
15.1 Consents
Without prior written consent of the manufacturer, no part of this manual may be

EN © 2020 HYKKER. All rights reserved. CHRONO 4
20
photocopied, reproduced, translated or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording or storing in any
systems of storing and sharing information.
15.2 Appearance
The device and screen shots contained in this manual may differ from the actual
product. Accessories attached to the set may differ from the illustrations included in
manual.
15.3 Trademarks
All brand names and product names are trademarks or registered trademarks of their
respective companies.
16. Specific absorption rate (SAR)
SAR is a value indicating the amount of radiation emitted by the device. The table
below shows maximum values of SAR for smartwatch CHRONO 4.
GSM 900
GSM 1800
GPRS 900
GPRS 1800
0.124
0.205
0.301
0.785
17. Declaration of conformity with European Union Directives
mPTech Sp. z o.o. hereby declares that smartwatch Hykker Chrono
4 is compliant with Directive 2014/53/EU. The full text of the EU
Declaration of Conformity is available at the following Internet
address:
www.hykker.com/akcesoria/smartwatch-chrono-4
18. Warranty
The product is covered by a 2 year warranty from the date of sale of the product. If
you need warranty repair, please contact the manufacturer's hotline or the point of
sale. The product returned for repair should be complete and preferably packed in
its original packaging.