Huawei TalkBand B1 Quick Start Manual page 206

Using a headset at high volumes

may damage your hearing. To
reduce this risk, lower the headset
volume to a safe and comfortable
level.
Exposure to high volumes while

driving may cause distraction and
increase your risk of an accident.
Areas with flammables and
explosives
Do not use the device where

flammables or explosives are
stored (in a gas station, oil depot,
or chemical plant, for example).
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