Start/pause playback
Switch the device on/off
Select operating mode
Select AUX In
Select BT mode
Select USB
Controller
Increase/decrease volume
Activate equaliser
Select equaliser settings
EX BASS
Switch bass amplification on/off
Bluetooth button/repeat function
Disconnect Bluetooth® connection
Establish TWS connection
Repeat the track (only in USB mode)
Short press: play previous track; Press and hold: rewind
Open menu
Increase/decrease microphone volume
Switch echo function on/off
Select sound effects
Charging LED