商品详情：
1. 采用无毒无害的环保硅胶制作，100%防水；
2. 电源可选用4节AA电池，也可以用AC电源适配器；
3. 产品可卷放，携带方便。产品净重：430g
4.产品尺寸：硅胶键盘： 560x120x6mm 塑料音盒：145x98x30mm
同时具备钢琴的出色音质和电子琴的多种功能和娱乐效果。但是，它像餐垫一样薄，卷起来如同书本一样小、一样轻，它能帮助许多人随时随地实现久存于心的音乐梦想。
A. 键盘：37键标准键盘
B. 音色: 8种音色
C.示范曲: 6首示范曲
D.教学功能
37-key Mini roll up Piano Toys
It is with excellent sound quality like Piano and multiple functions as electronic keyboard. But Hand Roll Piano is as thin as eat mat，small and light like a book. It can help you realize music dream anytime and anywhere
A. Standard 37 Simulation Keys
B.Tones: 16Tones (0 ~ 15tone control)
C.Rhythm: 10 rhythms (0 ~ 9 rhythm accompaniment)
D.Demo Songs: 6 Demo songs
