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In case of battery deformation, color change, or overheating while charging or storing,
immediately stop using the device and remove the battery. Continued use may lead to
battery leakage, fire, or explosion.
Do not put batteries in fire as they may explode. Damaged batteries may also explode.
Do not drop the device or battery. If the device or battery is dropped, especially on a hard
surface, and may be damaged, take it to an authorized service center for inspection.
Improper battery use may lead to fire, explosion, or other hazards.
Dispose of used batteries in accordance with local regulations.
Do not smash or pierce the battery, or expose it to high external pressure. Doing so may
lead to a short circuit or overheating.
Do not allow children or pets to bite or suck the battery. Doing so may result in damage or
explosion.
If the device standby time shortens significantly, replace the battery.
The device has a built-in, non-removable, rechargeable battery. Do not attempt to remove
the battery, otherwise the device may be damaged.
Operating environment
Avoid dusty, damp, or dirty environments. Avoid magnetic fields. Using the device in
these environments may result in circuit malfunctions.
Before connecting and disconnecting cables, stop using the device and disconnect it from
the power supply. Ensure that your hands are dry during operation.
Keep the device away from sources of heat and fire, such as a heater, microwave oven,
stove, water heater, radiator, or candle.
Keep the device away from electronic appliances that generate strong magnetic or
electric fields, such as a microwave oven or refrigerator.
Place the device on a stable surface.
Keep the device and accessories in a well-ventilated and cool area away from direct
sunlight. Do not enclose or cover your device with towels or other objects. Do not place
the device in a container with poor heat dissipation, such as a box or bag.
Ideal operating temperatures are 0° C to 45° C. Ide al storage temperatures are -20° C to
70° C. Extreme heat or cold may damage your device or accessories.
Do not block device openings. Reserve a minimum of 10 cm around the device to
dissipate heat.
Do not place any object, such as a candle or a water container, on the device. If any
foreign object or liquid enters the device, immediately stop using it, power it off, and
remove all cables connected to it. Then, contact an authorized service center.
During thunderstorms, power off your device and remove all cables connected to it to
protect against lightning strikes.
Do not remove the device's external antenna or change another unexpected
antenna unless manufacture provide.
To protect your device from fire or electrical shock hazards, avoid rain and moisture.
The device should be installed and operated with a minimum distance of 20 cm between
the radiator and your body.
The product had one dedicated antenna and one integral antenna. The dedicated antenna product
is the same as integral antenna product in circuit design and PCB boards. They are
different antenna type and battery type only.
Child's safety
Comply with all precautions with regard to child's safety. Letting children play with the device
or its accessories may be dangerous. The device includes detachable parts that may
present a choking hazard. Keep away from children.
