Sepecification:

* 37 keys Roll up piano

* Material: Non-toxic Silicone

* 6 demo songs, 8 tones

*Teaching function( 1K1N )

* Built-in speaker, earphone Jack

* MIC,Recording and Chord function

* Powered By 4x AA Battery,or DC 6V USB Charger

* it can be rolled up and storage in carry case