Power Switch: Long press for on/oils, while playing music (USB card / TF card / LINE IN / BT) press reverence to switch between USB / TF / FM /BT ( Switch on line in and via AUX cable to audio device).
When playing music, press briefly for the last song, and long press to wither the volume.
When playing music, press briefly for the next song, and long press to increase the volume.
Press to "play/pause". Under BT mode with the associated mobile phone press briefly to answer a call, and press again to hang up (in FM mode, press briefly to automatically search the station, and press again to stop the search) Keep the TWS speaker in BT mode without pairing.
