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charged. Keep the ambient temperature
between 0°C to 40°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 a 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.
•
Use the AC power supply defined in the
specifications of the charger. An improper
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