OFF/ON: Turn the drum set off/on
USB/DC 5V: Charge the drum set and connect to computer for electronic drum games and making music
MP3: Connect to MP3 device or cell phone for playing along with songs
PHONES: Connect to earphone, or connect to loudspeaker
PEDAL: Connect to the 2 pedals
RHYTHM: Adjust the embedded music rhythm
KIT: Select the timbre- Pop, Rock, Latin, Electro, Percussion
CLICK: Select 3, 4 or 6 time-beating DEMO: Select among the 8 demo musics in turn
SPECIAL: Position change of SNARE& HI-HAT
PLAY/STOP: Play and stop the demo music VOLUME +/-: Volume up& down