Silvercrest STSK 1 A1 User manual

IAN 305952
BLUETOOTH®
TRUE WIRELESS
IN-EAR HEADPHONES
STSK 1 A1
BLUETOOTH®
TRUE WIRELESS
IN-EAR HEADPHONES
Operation and safety notes
BLUETOOTH®-
IN-EAR-KOPFHÖRER
„TRUE WIRELESS“
Bedienungs- und Sicherheitshinweise
70 mm

GB/IE/NI Page 5
DE/AT/CH Seite 32
65 mm

65 mm
A
3
2
1
4
7
6
5
10
13
9
8
11
12
14 1615
x2 x3

65 mm
B
C

5GB/IE/NI
Warning remarks and
symbols used .......................................Page 6
Introduction ..........................................Page 8
Intended use.........................................Page 8
Scope of delivery ...............................Page 9
You will need........................................Page 10
Description of parts...........................Page 10
Technical data......................................Page 11
Safety......................................................Page 12
Prior to first use...................................Page 18
Operation..............................................Page 20
Cleaning and maintenance ............Page 26
Troubleshooting..................................Page 26
Disposal..................................................Page 28
Simplified EU declaration
of conformity........................................Page 29
Warranty ...............................................Page 29

6 GB/IE/NI
Warning remarks and
symbols used
The following warnings are used in this manual:
DANGER! This symbol with the signal
word "Danger" indicates a hazard with
a high level of risk which, if not avoided,
will result in serious injury or death.
WARNING! This symbol with the
signal word "Warning" indicates a
hazard with a medium level of risk
which, if not avoided, could result in
serious injury or death.
CAUTION! This symbol with the signal
word "Caution" indicates a hazard with
a low level of risk which, if not avoided,
could result in minor or moderate injury.
ATTENTION! This symbol with the
signal word "Attention" indicates a
potential property damage.
NOTE: This symbol with the signal
word "Note" provides additional useful
information.

7GB/IE/NI
CAUTION! EXPLOSION HAZARD!
A warning with this symbol and word
“CAUTION! EXPLOSION HAZARD”
indicates the potential threat of
explosion.
Failure to observe this warning may
result in serious or fatal injuries and
potential property damage.
Follow the instructions in this warning
to prevent serious injuries, a danger
to life or property damage!
This action symbol reminds the user to
wear suitable protective hand wear!
Follow this warning to prevent hand
injury by objects or contact with hot or
chemical materials!
A warning with this symbol notifies
the user of possible hearing damage.
Avoid listening at excessive volumes for
prolonged periods.
Direct current / voltage

8 GB/IE/NI
BLUETOOTH®TRUE WIRELESS
IN-EAR HEADPHONES
Introduction
We congratulate you on the purchase of your
new product. You have chosen a high quality
product. The instructions for use are part of the
product. They contain important information
concerning safety, use and disposal. Before using
the product, please familiarise yourself with all
of the safety information and instructions for use.
Only use the product as described and for the
specified applications. If you pass the product on
to anyone else, please ensure that you also pass
on all the documentation with it.
Intended use
These headphones are a consumer electronics
device and are intended for playing back
audio files transmitted via Bluetooth®. With a
Bluetooth®connection established, you can
also use the headphones as a headset to
take incoming calls thanks to the integrated
microphone.

9GB/IE/NI
The charging and storage box is intended solely
for charging and storing the headphones.
Any other use beyond what is specified is not
intended. Do not use the product for industrial or
commercial purposes. Any claims for damages
resulting from unintended use, improper repairs,
unauthorized modifications or the use of
unapproved replacement parts are excluded. The
user carries the sole risk.
Scope of delivery
After unpacking the product, check if the delivery
is complete and if all parts are in good condition.
Remove all packaging materials before use.
2 x Headphones (1 x left and 1 x right)
1 x Charging/ storage box
2 x 2 Replacement earbuds
3 x 2 Sport earbuds
1 x USB cable
1 x Quick guide / 1 x User manual

10 GB/IE/NI
You will need
USB voltage source (min. 500 mA)
Bluetooth®-capable playback device
Description of parts
Before reading, unfold the page containing the
illustration and familiar yourself with all functions
of the product.
1Multifunction button (MF button)
2Indicator LED
3Headphones (1 x left and 1 x right)
4Replaceable earbuds
5Microphone
6Charging sockets
7Right/left markings
8USB port
9On/ off button
10
Charging/storage box
11
Inside pocket
12
LED charge status
13
Charging ports
14
Replacement earbuds
15
USB cable
16
Sport earbuds

11GB/IE/NI
Technical data
Charging / storage box
Input voltage USB 5 V
Input current 500 mA
Rechargeable battery Li-Ion, 3.7 V, 480 mAh
Charging capacity max. 3 charging cycles
for both headphones
Charging time approx. 1 to 2 hours
(complete charging cycle)
Headphones
Wireless standard Bluetooth®5.0
Supported profile A2DP, AVRCP, HSP, HFP
Frequency band 2402 to 2480 MHz
Max. transmitted
power: <20 mW
Range approx. 10 m
Rechargeable battery Li-Polymer, 3.7 V, 50 mAh
(each headphone)
Charging time approx. 1.5 hours
(complete charging cycle)
Operating time
(music & phone)
approx. 3 hours
(at medium volume)
Operating
temperature 5 to +35 °C

12 GB/IE/NI
Humidity
(no condensation) 10 to 70 % RH
Storage temperature 0 to +40 °C
Protection class IPX4
Impedance 32 Ω (±10 %)
Sensitivity 100 dB (±3 dB)
Dimensions approx. 26 x 30 x 16 mm
Weight approx. 8.3 g
(both headphones)
The specification and design may be changed
without notification.
Safety
Before using the product, familiarise yourself
with all of the safety information and
instructions for use! When passing this product
on to others, also include all the documents!
In the case of damage resulting from non-
compliance with these operating instructions the
guarantee claim becomes invalid! No liability is
accepted for consequential damage! In the case
of material damage or personal injury caused
by incorrect handling or non-compliance with the
safety instructions, no liability is accepted!

13GB/IE/NI
Children and persons with disabilities
m WARNING! DANGER TO LIFE
AND RISK OF ACCIDENT FOR
INFANTS AND CHILDREN!
m DANGER! Risk of suffocation! Never
leave children unsupervised with the product,
its accessories and the packaging materials.
The product's small parts and the packaging
materials pose a suffocation hazard. Children
frequently underestimate the dangers. The
small parts and the packaging materials are
not toys.
This product may be used by children age
8 years and up, as well as by persons
with reduced physical, sensory or mental
capacities or lacking experience and/or
knowledge, so long as they are supervised or
instructed in the safe use of the product and
understand the associated risks.
Do not allow children to play with the product.
Cleaning and user maintenance should not be
performed by children without supervision.
The product is not a toy.

14 GB/IE/NI
m ATTENTION! RISK OF PROPERTY
DAMAGE
This product does not contain any parts which
can be serviced by the user. The rechargeable
battery cannot be replaced.
Keep the product away from moisture,
dripping and splash water!
Do not place burning candles or other open
fire on or next to the product.
Check the product before every use!
Discontinue use if any damage to the product
or the charging cable is detected!
If you notice smoke or unusual noise or
odour, switch the product off immediately and
remove the USB cable.
Sudden temperature changes may cause
condensation inside the product. In this case,
allow the product to acclimate for some time
before using it again to prevent short circuits!
Do not operate the product near heat sources,
e.g. radiators or other devices emitting heat!

15GB/IE/NI
m WARNING – Radio interference
Switch the product off on airplanes, in
hospitals, service rooms, or near medical
electronic systems.
The wireless signals transmitted could impact
the functionality of sensitive electronics. Keep
the product at least 20 cm from pacemakers
or implantable cardioverter defibrillators, as
the electromagnetic radiation may impair
the functionality of pacemakers. The radio
waves transmitted could cause interference in
hearing aids.
Do not place the product near flammable
gases or potentially explosives areas (e.g.
paint shops) with the wireless components
on, as the radio waves emitted can cause
explosions and fire.
The range of the radio waves varies by
environmental conditions. In the event of
wireless data transmission, unauthorised third
parties receiving the data cannot be excluded.
The OWIM GmbH & Co KG is not
responsible for interference with radios or
televisions due to unauthorised modification of
the product.

16 GB/IE/NI
The OWIM GmbH & Co KG further assumes
no liability for using or replacing cables and
products not distributed by OWIM.
The user of the product is fully responsible
for correcting interference caused by such
unauthorised modification of the product, as
well as replacement of such products.
A warning with this symbol is to indicate
that always remember that excessive
sound pressure or volumes from
headphones or earphones can lead to
damage to the hearing. Always adjust
the volume to a pleasant, not too loud
level. If you have adjusted the volume
of the headphones to be too high and
use that for an extended period, it can
damage the listener’s hearing.
Safety instructions for built-in
rechargeable batteries
CAUTION! RISK OF EXPLOSION!
Do not throw the product into fire.
Avoid extreme environmental conditions and
temperatures, which could affect rechargeable
batteries, e.g. radiators / direct sunlight.

17GB/IE/NI
If rechargeable batteries have leaked,
avoid contact with skin, eyes and
mucous membranes with the chemicals!
Flush immediately the affected areas
with fresh water and seek medical
attention!
Do not cover the product during operation
or charging. Otherwise the product can
overheat.
This product contains a rechargeable battery,
which can lead to fire, explosion or leakage
of hazardous substances in case of incorrect
application.
Trademark notices
USB®is a registered trademark of
USB Implementers Forum, Inc.
The Bluetooth®word mark and logos are
registered trademarks owned by Bluetooth
SIG, Inc. and any use of such marks by
OWIM GmbH & Co. KG is under license.
The SilverCrest trademark and trade name is
the property of their respective owners.
Any other names and products may be
trademarks or registered trademarks of their
respective owners.

18 GB/IE/NI
Prior to first use
Charging the charging /
storage box battery
Before first use, the charging/ storage box
battery must be charged.
Connect the charging/storage box
10
via the
USB port 8and the included USB cable
15
with a USB voltage source with a current of
at least 500 mA (e.g. a USB charger or a
computer).
The charge status is shown via the LED charge
status
12
on the charging/storage box
10
:
LEDs Battery charge status
0–25 %
25–50 %
50–75 %
75–99 %
100 %

19GB/IE/NI
Charging the headphones
Before first use, the headphones must also be
charged.
NOTES:
The headphones 3can also be charged
while the charging/storage box
10
is
charging.
If the sport earbuds
16
are attached, they
must first be removed. You can store them, for
example in the inside pocket
11
.
It makes no difference which headphone is
charged via which charging port
13
.
Insert the headphones in the charging
ports
13
of the charging/storage box
10
.
Charging begins automatically.
The indicator LEDs 2of the headphones 3
show the current status.
LED Status
Red Charging
Blue Fully charged
Off Not charging

20 GB/IE/NI
Operation
Charging/storage box
The headphones 3begin charging
automatically when at least one
headphone 3is inserted into a charging
port
13
.
To pause charging the headphones, press the
on/ off button 9twice.
To begin charging the headphones again,
press the on/off button 9once.
Headphones
Indicator LED Status
Flashes red /blue Waiting for Bluetooth
device to pair
Flashes blue Headphones paired with
Bluetooth device
NOTE: If the headphones have already
been paired to each other, the right headphone
is already connected to the left and flashes blue
only.