Features: 61 Thickened Keys on Keyboard 128 Different Tones & Rhythms 30 Demo Songs Single Finger / Finger Chords 8 Drum Sets LCD Display Record Feature - You can record the music you play MIDI-out possible (requires additional accessories, not included) Lasts 12-15 hours of playing time on 4 AA Batteries (not included) or plug the piano into a proper electrical outlet with the included AC Adapter Perfect travel companion for the holidays!!! Specifications:Keyboard Size (Open): 34" x 6.7" x 0.2"Panel Size: 9" x 3.8" x 1.3"Material : Silicone Rubber, ABS PlasticRated Voltage: DC 6V (Battery AA1.5V x 4PCS).Note:Due to the soft structure of the roll out keyboard, there are times when compound sounds are produced due to cross-feedback or vibrations registering on adjacent keys

This is normal for such devices and is not indicative of a faulty or malfunctioning product.The roll up keyboard is a toy and novelty gift product designed with enjoyment and convenience in mind

It is not meant to be used as a professional instrument or to replace such pianos and keyboards.