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Keep the ambient temperature between 0°C and
40°C while the device is being 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 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.
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