Important safety instruction
Red LED light flash once per 1s, 3.3V alarm, 3.0V shutdown
Charging
The red indicator will go out .
If used in the correct method, this design and production of this product can ensure your personal safety
completely. However, any inappropriate use may lead to potential risk and danger of electric shock or fire
hazard. Please read all the safety instructions before installing and using the product. In particular, attention
shall be given to the following information:
1. It needs to be stored or used in the ambient temperature.
2. It shall not be placed in water or wet locations.
3. It can’t be disposed randomly for it may cause environmental pollution.
4. Without approval, It shall not be disassembled or repaired.
5. The built-in lithium battery can’t be disposed in the fire or other places to prevent causing fire hazards.
6. It shall be cleaned with dry cloth.
7. Whenever there is damage, it needs to be repaired by professional personnel.
Charging the battery
Fully charge the battery for about 2 hours before using the battery for the first time.
1. Plug the smaller end of USB charging cable into the Micro-USB interface of the connector.
2. Next, plug the other end of USB charging cable into other power charging devices or a computer with the
power on.
Package content
1. Wireless headphone
2. Micro USB charging cable
3. 3.5mm audio cable
4. User manual
Earphone indicator