Flexible Roll-Up Rainbow PianoUnroll and play this portable piano anywhere. It features multiple keyboard tones and demo songsyou even have the option of record and playback for your mini masterpieces. It runs on batteries or USB so you can play when you travel, camp, or move around the house. Practice on the built in speaker or hook it up to the sound system for a performance, then roll it up when youre done. Includes: 1 roll up piano with attached control panel speaker 1 USB