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When you are on a call, do not touch the antenna. Touching
the antenna affects the call quality and results in increase in
power consumption. As a result, the talk time and the
standby time are reduced.
While using the device, observe the local laws and
regulations, and respect others' privacy and legal rights.
Keep the ambient temperature between 0°C and 45°C while
the device is being charged. Keep the ambient temperature
between -10°C to 55°C for using the device powered by a
battery.
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
Comply with all precautions with regard to children's safety.
Letting the child play with your device or its accessories, which
may include parts that can be detached from the device, may
be dangerous, as it may present a choking hazard. Ensure that
small children are kept away from the device and accessories.
Accessories
Use the accessories delivered only by the manufacturer. Using
accessories of other manufacturers or vendors with this device
model may invalidate any approval or warranty applicable to
the device, result in the non-operation of the device, and cause
danger.
Battery and Charger
Unplug the charger from the electrical plug and the device
when not in use.
The battery can be charged and discharged hundreds of
times before it eventually wears out. When the standby time
and the talk time are shorter than the normal time, replace
the battery.