iWord 88 Key Professional Roll Up Piano With MIDI KeyboardDescription: Name: 88 Key Roll Up Piano Brand: iWord Model: S2088-88 Color: White Demo songs: 21 127 kinds of rhythm 140 kinds of tones Input Power: DC6V Output power: 500MW Product size: 135*21.5CM Keyboard size: 122.5*14CM(L*W) Control box size: 21.5*12.5*3CM(L*W*H) Material: Silicone, ABS plastic & Electronic component Features: Has a recording function. Has power-saving features. Has sustain and vibrato function. Chords and synchronized chords. Support for external mobile power. Can be rolled up, and easy to carry. Double horn, with perfect sound quality. Has 88 standard number of piano keys, 1: 1 size. With two 16-bit DAC output, built-in amplifier circuits. Built-in speaker, can external headphone or amplifier. With 140 tones and 128 rhythms and 21 demo songs. Digital display, the display tone, rhythm and show song status. Package included: 1 x Roll up piano 1 x Backpack 1 x Adapter 1 x Pedal 1 x Manual