sell rollin piano

.   Foldable Silicone Piano (49 Keys)

Features:
1) Portable piano, 49keys,can be roll together
2) Can be played instantly, anywhere
3) the raw material is Silicon, safe and waterproof
4) Record / play keys
5) Vibrato function
6) LED screen digital display
7) Earphone function
8) Number of black key: 20; number of white key: 29
9) Power supply: 3# AA batteries / AC adapter
10) External speaker, outer
11) Size of piano:
   a) Rolled: 15 x 19 x 17cm
   b) Unrolled: 80 x 18cm
12) Input:100v-240V, output voltage: 6V 500-1000ma