One Finger
Swipe up: increase volume
Swipe down: decrease volume
Double tap: play/pause
Double tap (incoming call): answer/end call
Swipe forward: next track
Swipe backward: previous track
SD Card Mode
Double tap with 2 fingers: shuffle on/off
USB Mode
Tap and hold for 4 seconds: Mass Storage mode on/off
Switching on/off Mass Storage mode takes 15 seconds. 2 short beeps will play to indicate switching on/off.
Call Panning
Swipe forward: pan vocal position right > center > left
Swipe backward: pan vocal position left > center > right