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Otherwise, they may not function properly and may lead to a fire or an
explosion.
If the ambient temperature is considerably low or high, the capacity and life of
the battery is reduced. 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 chemical 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.
Do not dismantle the device or accessories. Otherwise, manufacturer is not
liable to pay for damages as the device and accessories are not covered by
warranty.
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