Features4\" speakerBluetooth disco / karaoke systemRGB LED disco ball projects beautiful colour patternsUSB & MicroSD MP3 playbackBuilt-in rechargeable battery of up to 6 hoursThe N-Gear Disco Block 410 Bluetooth Speaker with Karaoke is a powerful lightweight Bluetooth speaker that you can take anywhere. You can turn any place into a party room, with the built-in disco ball 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, USB or MicroSD. Together with the included microphone, you can, for example, have a Karaoke Party, give a presentation, read a story or perform.