STANDBY: Press it to turn the speaker on, press again to turn it off. PLAY/PAUSE: Press to play, press to pause.
MENU: Press to enter the MENU screen.
DOWN: Press to scroll down.
UP: Press to scroll up.
ENTER: Press to select.
PREV: Press to play the previous song.
NEXT: Press to play the following song.
VOL
VOL+: Press to increase the volume.