FeaturesBluetooth Disco / Karaoke System4\" 50 Watt speakerThis drum block has USB mp3 playback and micro SD card playbackBuilt-In DrumpadsBuilt-in Rechargeable battery up to 6 hours of playing timeThe N-Gear Drum block 420 Bluetooth Drum & Karaoke Speaker is so lightweight that you can take it anywhere. You can turn any place into a concert hall with the built-in drum pads and battery that lasts up to 6 hours. The maximum power of 50 watts is enough to fill a large room. You can play music via Bluetooth or Aux-In. Together with the included microphone, you can, for example, have a Karaoke Party, give a presentation, read a story or perform.