1 ADJUSTABLE VOLUME SWITCH, 1 RECORDING BUTTON, 1 RECORDING AND PLAYBACK BUTTON, 1 MODE SWITCH, 1 SONG SELECTION BUTTON, 4 DRUM TOUCH BUTTONS, AND 8 SCALE TOUCH BUTTONS. 1〠PLAYING MODE, IN WHICH EACH PRESS OF THE SONG SELECTION BUTTON EMITS A SMALL DRUM PLAYING SOUND AND SWITCHES BETWEEN FOUR DRUM POSITIONS WITH DIFFERENT STYLES OF SOUND EFFECTS. THERE ARE 3 DIFFERENT TONES THAT CAN BE SWITCHED IN A LOOP, AND AT THE SAME TIME, 8 SCALE TOUCH KEYS CAN PLAY DIFFERENT SCALES SEPARATELY. 2〠PERFORMANCE MODE: PRESS THE MUSIC SELECTION BUTTON ONCE TO PLAY A SONG, WITH A TOTAL OF 6 DIFFERENT SONGS. AFTER THE SONG IS PLAYED, ANY OF THE 8 SCALE TOUCH BUTTONS CAN ACHIEVE THE ONE KEY ONE NOTE FUNCTION. THE FOUR DRUM TOUCH KEYS EACH HAVE DIFFERENT DRUM SOUND EFFECTS. AND AFTER EACH SONG CHANGE, THERE WILL BE 4 DRUM TOUCH KEYS FOR VOICE SWITCHING, WITH A TOTAL OF 3 DIFFERENT STYLES OF VOICE LOOP SWITCHING. OPENING THE RECORDING BUTTON IN ANY MODE ALLOWS YOU TO INPUT AND PLAY BACK THE CONTENT YOU HAVE PLAYED. AGE GROUP : 12M+ DIMENSIONS OF INDIVIDUAL PRODUCT IN CM (Width,Depth,Height): 39 CM, 23.2 CM, 6.3 CM BATTERY INCLUDED : No TYPE AND QUANTITY OF BATTERY : 3AA 2356-35