Played drums on your device and use it as a metronome, drum, bass and more ... Inside there are drums and metronome. BATTERY FEATURES: -5 Piece ring -6 Pcs drum -1 Units bass drum. METRONOM: With this feature you can play your drums without missing a beat. ADDITIONAL SOUNDS: In addition there are 4 pieces in sound, it sounds thanks intro (start) or outro (end) can do. AUDIO: Guitar - Piano - Bass - Magic Infrastructures: Located within 4-sync infrastructure, they offer more entertainment thanks to an infrastructure that rhythm you turn it on and play. For more applications on Google Play Write RTR GAMES. Other practices are organ-electric clamping r-r-r-reed flutes.