User's Manual
Use the appropriate power supply dened in the specications of the charger. An improper power voltage may cause a
re or amalfunction of the charger.
Do not connect two poles of the battery with conductors, such as metal materials, keys, or jewelries. Otherwise, the
battery may be short-circuited and may cause injuries and burns on your body.
Do not disassemble the battery or solder the battery poles. Otherwise, it may lead to electrolyte leakage, overheating,
re, or explosion.
If battery electrolyte leaks out, ensure that the electrolyte does not touch your skin and eyes. When the electrolyte
touches your skin or splashes into your eyes, wash your eyes with clean water immediately and consult a doctor.
If there is a case of battery deformation, color change, or abnormal heating while you charge or store the battery, remove
the battery immediately and stop using it. Otherwise, it may lead to battery leakage, overheating, explosion, or a re.
If the power cable is damaged (for example, the cord is exposed or broken), or the plug loosens, stop using the cable at
once. Otherwise, it may lead to an electric shock, a short circuit of the charger, or a re.
Do not dispose of batteries in re as they may explode. Batteries may also explode if damaged.
Danger of explosion if battery is incorrectly replaced. Recycle or dispose of used batteries according to the local
regulations or reference instruction supplied with your device.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To reduce the risk of damage to hearing, lower the headset
volume to a safe and comfortable level.
Safety of Children
Keep the device and its accessories out of the reach of children. Otherwise, they may damage the device and its accessories
by mistake, or they may swallow the small components of the device, causing suocation or other dangerous situations.
MaintenanceIf the device is not used for a long time, power it o, and then remove all connected cables.
If any exceptional event occurs, such as if the device emits smoke, unusual sounds or smells, stop using the device
immediately, power it o, remove all the cables connected to it, and then contact an authorized service center.
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