88 Keys Roll up piano with speaker

1,88 standard keys(include black keys).

2,Single finger,fingered.

3,129 tones,include 128 normal tones and 1 percussion music tone.

4,100 rhythm,80 demo songs.

5,Support MIDI out,can play with computer.

6,Support external speaker and earphone.

7,Volume control button,rhythm.

8,Mode selection(tone,rhythm).

9,Record,edit and play function.

10,Demo play.

11,keyboard drum.

12,Start/stop,insert function.

13,Tenuto/trill function.

14,Single teaching function.