An 88 standard keys roll-up piano. With 140 tones, 128 rhythms, and 30 demo songs, it's a musical powerhouse. Connect to computer software via the micro USB port, or link seamlessly with iPad, iPhone, and Android devices using the lighting to USB camera adapter. Record, edit, and play your compositions with features like chord, sustain, and vibrato. Enjoy MP3 input functionality for accompaniment, LED indicators, and USB charging as a power bank. Versatile power options include AC adapter or the included 1000mA lithium battery.