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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 40°C while the
device is being charged. Keep the ambient temperature between
0°C to 40°C for using the device.
Prevention of Hearing Damage
Using a headset at high volume may 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. The
device and its accessories may include parts that present a choking
hazard for children. Ensure that small children are kept away from
the device and its accessories.
Accessories
Use the accessories provided by the device manufacturer only. Using
third-party accessories with this device may invalidate any guarantee
or warranty applicable to the device, result in malfunction of the
device, and cause danger.
Battery and Charger
Unplug the charger from the power socket and the device when
the charger is 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 shortened, replace the battery.
Use the alternating current (AC) power supply defined in the
specifications of the charger. An improper power voltage may
cause a fire or a malfunction of the charger.