88 Keys roll up piano with speaker inside
1,88 standard keys(include black keys).
2,140 kinds of tone,128 kinds of rhythms,30 demo songs.
4,Single finger chord and multi-finger chord.
5,With sustain pedal.
6,With 1100mA lithium battery,USB2.0 charging.
7,Support external speaker or headphone.
8,Support MP3 as accompany,grand piano function.