
yAfter the product is connected to the computer, it is automatically powered on.
yAfter no operation within 30 min or no power supply, it is automatically powered off.
Button control
Press or hold Volume up/down
Press Answer/end calls
Press and hold for 2 s Refuse calls
Press Turn the microphone off or on
Press Play/pause
Double click/Triple click Double click: Next track
Triple click: Previous track
Press and hold for 2 s Switch Bluetooth and USB audio source
Light bar indicator status
The white indicator is on for 2 s. The USB has been connected to the computer.
The blue indicator is always on. Calling
Some blue indicators are on. Turn volume up or down.
They turn red. Mute
The green indicator is on. Press the power button to check the battery level.