Boot:Long press the multifunction button in the shutdown state, and the white light flashes for 3 seconds to enter the startup state.

Shutdown:In standby mode, long press the multifunction button for 3 seconds, the red light flashes for 1 second, and the shutdown is completed.

Matching:In the state of shutdown, long press the multi-function button until the red light and blue light flicker alternately and enter the pairing state, then operate the mobile phone to pair it up (some mobile phones will require the input of password: 0000).

Answer function:Under the connection state, when there is an external call, press the multi-function button to answer the call. 

Hang up function:Short press the multifunction button to hang up while receiving or receiving a message.

End of call:During the call, press the multifunction button once to hang up the phone.

Indicator light status connection standby status:The blue light flashes every 5 seconds

Unconnected standby status:The blue light flashes every 2 seconds

Pairing status:The red and blue lights flickered alternately

Charging process:Charging completed: the blue light is always on