Music/standby
Pinch to play or pause
Double pinch to skip forward
Triple pinch to skip back
Pinch and hold to switch between Active Noise Cancellation and Transparency Mode.
Calls
Pinch to answer or hang up a call.
Double pinch to reject a call.
More options in Nothing X app.
*Optional functions: play/pause, skip back, skip forward, switch noise cancellation mode, volume up, volume down and wake up Voice Assistant.