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Operating Environment
Do not use or charge the device in dusty, damp, and dirty places or
places with magnetic fields. Otherwise, it may result in a malfunction
of the circuit.
The device complies with the RF specifications when the device is
used near your ear or at a distance of 1.5 cm from your body. Ensure
that the device accessories such as a device case and a device
holster are not composed of metal components. Keep your device 1.5
cm away from your body to meet the requirement earlier mentioned.
On a stormy day with thunder, do not use your device when it is being
charged, to prevent any danger caused by lightning.
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 -10°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.
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