Roll Up Piano - Digital & Portable 61 Keys Electronic Keyboard with Built-in Record & Play Back Functions, Dual USB Out & MIDI Out, USB Cable & AC Adapter Included. Promotional Sales!!! Built-in Record & Playback Function Built-in USB Port & USB Cable Included Standard MIDI Out 3.5mm Audio Jack for Headphones or External Speakers Runs on 4 AA Batteries or the Included AC Adapter