The Drum Block 420 is a powerful lightweight Bluetooth Drum & Karaoke Speaker that you can take 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. Features and Benefits Portable - A lightweight Bluetooth Drum & Karaoke Speaker that you can take anywhere for gatherings with friends or kids parties.  Built-in Drumpads - You can turn any place into a concert hall with the built-in drum pads and battery that lasts up to 6 hours, so you can have hours of fun.  Powerful Sound - The maximum power of 50 Watt is enough to fill a large room. You can play music via MicroSD Card or Bluetooth. Making this speaker ideal for a birthday bash. Specifications 4" Speaker Bluetooth Disco / Karaoke System