NOTE: The microphone is in the upper left corner (near the LED light) on the front panel, to keep the
call quality as good as possible, when answering the call, try to speak at the microphone position,
Safety warnings
1. Use only the supplied USB cable.
2. Use a 5VDC / 1A USB charger to charge.
3. Disconnect the USB cable after fully charging the unit.
4. Do not charge the unit for a long time after the unit is fully charged.
5. Do not immerse the product in water. Risk of short circuit.
6. Do not use the product near a heat source such as a fire or a heater, a fire hazard.
7. Do not knock or throw the product.
Precautions
1. Do not use or leave the product in high temperature (for example, in direct sunlight or a vehicle in
hot conditions), otherwise it may overheat or catch fire.
2. Do not use it in a place where static electricity is large, otherwise, the electronic safety components
may be damaged, which will cause problems in the device.
3. The device should be stored at room temperature, please avoid completely discharging the
battery, make periodic charges.
Technical Support.
Please visit our website www.billowtechnology.com for more information on installation and
configuration of this product.