Plug and
Play Head Mic: It will automatically connect when power on. If it does not connect successfully, please
reconnect as follows: 1. Turn off the receiver and transmitter. 2. Turn on the transmitter, blue light is on, long press + to blue light flash. 3. Turn on the receiver immediately (There is no need to wait for the transmitter's blue light to stop flashing) wait for the connection. 4. The blue lights of both transmitter and receiver stop flashing, means connection is successful.
Battery: Built-in 400mA lithium battery, charging 2 hours, last for 5hours.