14
Warnings and Precautions
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 35°C while the
device is being charged. Keep the ambient temperature between
-10°C to 35°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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