37 Keys Roll Up Electronic Piano

model : 37 Keys roll up electronic piano  EP-K37D
Relevant Parameters :
1.pucker punction of electronic keyboard
2.37 standard keys
3.6 Demonstration songs
4.8 tone colors
5.8 rhythms
6.4 drum sets
7.Single Finger Chords/Fingered Chords/Fill-in
8.one key one note
9.Record /Playback
10.16-stage volume adjustable
11.32-stage tempo speed
12.External phone output
13.External DC input
14.Automatic shutdown function