JouerNow RUP002 88 Thickened-Keys Roll Up Piano Synthesizer/Electronic Flexible Silicone Keyboard Hand-rolling Piano with Battery-sustained Pedal, US plug &#9835 SAFETY PROMISE-Smooth finish, Made of standard Anti-bacterial Silicone rubber,Non-toxic,TASTELESS and HARMLESS. &#9835 PERFECT FOR PIANO BEGINNERS-88 Thickened keys, DC 5V or rechargeable 1000mA lithium battery,Potable & Foldable, play anywhere anytime. &#9835 SIMILAR PIANO EFFECT-The same key height and width as normal piano,140 Tone Reportoire, 30 demo sounds. You can enjoy it with soft keyboards. &#9835 SMART DESIGN & MULTIFUNCTIONAL-With Built-in Speaker and multi-functional interface,support MIDI line and computer connection, meet your various needs and achieve more creation. &#9835 ENJOY THE PIANO PRACTICE- Roll it up and put it inside the included pouch for easy storage or travel with ease. Get rid of the limitation of space.