SIRMEDIC N3900 User manual

Neck Massager
N3900
OPERATING INSTRUCTIONS
Please read the instructions carefully before
use and keep it well for further reference.

Contents
Instruction & Product Presentation -------------------------------------------------- 1
Operating Guide & Product charging ------------------------------------------------- 2-3
Specifications ------------------------------------------------------------------------ 4
Warnings & Cautions ------------------------------------------------------------------ 4-5
Daily Maintenance & Troubleshooting ------------------------------------------------ 5-6
Product and Parts Recycling Instructions ------------------------------------------- 7

01
Instruction
Thanksforpurchasingourproduct. Please read the instructions carefully before
use and keep it well for further reference.
ProductPresentation
ThisNeck Massager is designed according to ergonomics, stylish and beautiful,
fits the curve of the neck, and is easy to carring. The product uses hot compress
technology to improve circulation, relieve neck fatigue
andprotect neck health through the effects of hot compress on
acupuncturepointsaroundthe neck and low-frequency pulses; 5 massage techniques,
16 massage strengths, applicable For all kinds of people.
Product Diagram
Electrode Slice
Work Indicator Light
Control Panel
Charging Interface
Neck Massager
ModeButton
Bouton Marche
Battery Spin Button
Remote Controller
Intensities +/ - Button
Heating Button

02
Operating Guide
1. Put the product on your neck.
2. Long press " "button, turn on the machine (Voice prompt: Power On).
First is Auto Mode, the colorful atmosphere indicators at both ends are on.
3. The default is mode1, Auto Mode, the temperature is low heating, the
pulse massage intensity is 1.
4. Press "M" to select massage mode:
Mode 1 : Auto Mode;
Mode 2 : Tapping Mode;
Mode 3 : Scrape Mode;
Mode 4 : Acupuncture Mode;
Mode5 : Massage Mode;
5.Press "H" to select Heating function: Low / High Heating or Heating off. 6. Short
press "+" button, you can adjust to increase intensities, adjustablefrom 1-16. Short
press the "-" button, you can adjust to decrease or close the intensities, from 16-1,
pulse can be off or adjustable. 7.When the battery voltage is lower than 3.25v after
booting, the machine will flash red quickly to indicate a lack of power. If the battery
voltage is lower than 3.2v, the machine will automatically turn off. Please plug in
power supply and charge the battery to reboot, about 1.5 hours the power can be
full.
8. Long press " "button to turn off the device (Voice prompt: Thanks for using).
Notes:The Device will be automatically off after 15 minutes use to protect youfrom
injury. The device is not worn within 2 minutes after starting up, andtheelectrode
slice is not attached to the human skin, the product will start the automatic turn off
function.
Remote Controller Operating Guide
1. Long press " "button, turn on the machine: The remote control is now
connected.
2. On-power state, Press " "button to adjust the heating function: Low /
High Heating or Heating off;

03
3. On-power state, Press "M" button to select massage mode from mode1-
5. When switching modes, the massage intensities will return to the 1st
level.;
4. On-power state, Long press "M" button Can turn on or off the voice assistant
function,Voice announcement content is Voice On or Voice Off. Note: When the
voice is off, there is no sound when you press any button.
5. Short press "+" button, you can adjust to increase intensities,
adjustable from 1-16. Short press the "-" button, you can adjust to
decrease or close the intensities, from 16-1, pulse can be off or
adjustable.
6.Long press " "button to turn off the device or using the remote controller
turn off the device.
Note:
1.The device will remain in a remote control state for 2 minutes. within
2minutes,you can use the remote control to long press the " "button to restart
the device for massage.
2. After 2 minutes, the device enters a complete shutdown state. If you needto
use it, long press the device " "button to turn on the device.
Product charging:
1.Pleaseuse the DC5V adapter, plug the charging cable that the device is
wearing,the USB end into the adapter, and the other end into the machine jack,
the machine display panel correspondingly displays the charging status;
• LED status shows red light, which means charging;
• LED status shows green light, which means the charging is completed;
2. To charge the product, please use an adapter of DC5V 1A, Donot
use chargers adapter more than 6V. You can also use the computer USB
port to charge this product.
3. The product cannot be used during charging.
4.When the remote control replaces the battery, you can insert a coin intothebattery
rotation slot, and turn it counterclockwise to open the battery.Take care to ensure
that the battery positive side is facing upward.

04
Specifications
Product Name
NeckMassager
Product Mode
N3900
RatedVoltage
3.7V
Rated Power
4W
LowHeating
95°F - 106°F(35C - 41C)
High Heating
102°F - 113°F39C - 45C
Battery Capacity
1200mAh
Warnings & Cautions
1. If you feel unwell due to abnormality of this product, please stop using it
immediately.
2. During the massage, if you want to move the product or to other people, besure to
cut off the power before moving, otherwise you may be strongly clicked.
3. Electrode pads during massage should avoid wounds and scars.
4.During massage, the electrode pads should not be placed near the chest and heart,
otherwise it will increase the risk of heart fibrillation.
5.When used by cross users, please clean the electrode pads on the product
before use. When using the product, the electrode pads should be closely
attached to the skin and evenly contacted.
6. The electrode pads of this product have a heat generating function. Whenthe hot
compress function is used for the same part for a long time (more than 15 minutes),
it may cause low temperature burn.
7.Do not plug or unplug the USB charging cable with wet hands, otherwise itmay
result in electric shock or accident.
8. This product contains a lithium battery. Please do not disassemble, modify,
immerse the product in water or throw it into fire, otherwise it may cause damage to
the product and explosion.

05
In the following cases, please consult your doctor before use, otherwise an
accident or physical discomfort may occur:
1.Patientswho are receiving medical treatment and feel abnormal.
2. Patients with abnormal heart and brain nerves.
3. Patients whose body temperature exceeds 38 degrees (fever period).
4. Patients with infectious diseases.
5. Patients with impaired skin perception or abnormal skin.
6. Patients taking medication.
7. Patients with abnormal blood pressure.
8. Patients who cannot express their wishes freely.
9.Patients with sensory disturbances due to high peripheral circulatory
disturbancessuchas diabetes.
10. Patients with skin allergy to stainless steel electrodes.
The following situations are prohibited:
1. Patients with malignant tumors
2. Patients with bleeding tendency
3. Pregnant women
4. Patients with acute suppurative inflammation
5. Pacemaker users
6. Patients with metal built-in
7. Human heart attachment
Daily
1.Please turn off the machine when cleaning and maintaining the product. Usewet
papertowelsto clean the electrode pads. When it is particularly dirty,use a little
medical alcohol (concentration lower than 75%) to wipe and disinfect.
2. For daily maintenance, please use neutral detergent and soft cloth to wipe,do
notuse corrosive detergent, do not soak or rinse in water.
3. During the cleaning process, water or other liquids should be prevented from
enteringthe machine to avoid the risk of short circuit and electric shockduring use.
4. Do not pull hard on the rubber plug at the USB charging place, otherwise it may
easily break and fall off.

06
Troubleshooting
Problems
Possiblecausesand solutions
Unable to start
The internal rechargeable battery has insufficient
power and please charge in time
Pleaseconfirm whether the power button has been
pressed
No charge or no
charge display
Please check if the USB is connected to the
productand the adapter
Normal display but
no feeling
Does the electrode pad directly contact the skin? Adjust
the position so that it is close to the skin
Arethereitems such as hair, clothing, accessories, etc.
between the electrode pads and the skin? Removeitems
Is the intensity level 1st? Adjust to increase
massageintensity
Feel tingling
Is the electrode pad tight to the neck skin? Need to
adjust the position to make it close to the skin
Isthemassage time too long? It is recommended to take
15 minutes once, twice a day
Isthe massage intensity too strong? Reduce the
intensity
Istheskin allergic to electrode pads? Those with severe
allergies need desensitization treatment first
Cold climate and dry skin? Use after moistening the
skin with a wet towel
Are there any wounds on the skin surface? Do not putthe
electrode pad on the wound for massage
Stimulation is weak
Is the electrode pad of the massager close to the neck
skin? Need to adjust the position so that it is closetothe
skin and adjust the appropriatestrength
Is the electrode dirty or oily? Clean electrode surface
Is the battery low? If the battery is low, please charge
Theintensity of the massage is too small? Adjust to
increasemassage intensity

07
Product and Parts Recycling Instructions
Inorder to protect the environment, after the product or its parts are scrapped, you as a
consumer are responsible for separating it from domestic garbage and sending it to a
qualified recycling site, which is sorted and disassembled in accordance with relevant
national regulations, recycled and reused.
Name and content of toxic and hazardous substances or elements in products
PartName
To
xic and ha
rmful substanc
esor elements
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
Chromium(Cr(VI))
Polybrominated
Diphenyl Ether(PBDE)
Polybrominated
Biphenyls(PBB)
Charging
Components
X
○
○
○
○
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Heating
Components
X
○
○
○
○
○
Circuit Board
X
○
○
○
○
○
Hardware
components
○
○
○
○
○
○
BatteryPack
X
○
○
○
○
○
Plastic
Components
○
○
○
○
○
○
This form is prepared in accordance with the provisions of SJ / T 11364
○: Indicates that the content of the hazardous substance in all homogeneous materials of the part
is below the limit requirements specified in GB / T 26572-2011
×:Indicatesthat thecontentof the hazardous substance in at least one of the
homogeneousmaterials ofthe part exceeds the limit requirements of GB / T 26572-2011

08
Package Included
• 1 x Neck Massager
• 1 x Remote Controller
• 1 x USB Charging Line
• 1 x User Manual