Simple instructions allow for immediate keyboard playing</br>Easy to learn and quick to master</br>Make music whenever and wherever you go</br>Single Tone Notes</br>The roll up keyboard is a toy?? It is not meant to be used as a professional instrument or to replace such pianos and keyboards.</br></br>Product Description</br></br>61 Thickened Keys on Keyboard <br>128 Different Tones & Rhythms <br>30 Demo Songs <br>Single Finger / Finger Chords <br>8 Drum Sets <br>LCD Display <br>Record Feature - You can record the music you play <br>MIDI-out possible (requires additional accessories?? not included) <br>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 <br>The roll up piano perfect travel companion for the holidays!!! <br> <br>Description: <br> <br>Keyboard Size (Open): 34" 6.7" x 0.2" <br>Panel Size: 9" x 3.8" x 1.3" <br>Material : Silicone Rubber?? ABS Plastic <br>Rated Voltage: DC 6V (Battery AA1.5V x 4PCS) <br> <br>Note: <br>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. <br> <br>The roll up piano 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.</br><br/>http://www.amazon.com/gp/product/B00549JPL22n