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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.
Cleaning and Maintenance
The device, battery, and charger are not water-resistant.
Keep them dry and protect them from water and vapor. Do
not touch the device or the charger with a wet hand.
Otherwise, a short circuit, a malfunction of the device, and an
electric shock to the user may be caused.
Do not place your device, battery, and charger in places
where they can get damaged because of collision. Otherwise,
a battery leakage, a device malfunction, an overheating, a
fire, or an explosion may be caused.
Do not place magnetic storage media such as magnetic
cards and floppy disks near the device. Radiation from the
device may erase the information stored on them.
Do not leave your device, battery, and charger in a place with
an extremely high or low temperature. Otherwise, they may
not function properly and may lead to a fire or an explosion.
When the temperature is lower than 0°C, performance of the
battery is affected.
Do not place sharp metal objects such as pins near the
earpiece. The earpiece may attract these objects and hurt
you when you are using the device.
Before you clean or maintain the device, power off the device
and disconnect it from the charger.
Do not use any chemical detergent, powder, or other agents
(such as alcohol and benzene) to clean the device and the
charger. Otherwise, parts of the device may get damaged or
a fire can be caused. You can clean the device and the
charger with a piece of damp and soft antistatic cloth.
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