37 Keys Roll Up Piano, Brand Name : OEM

We are offering 37 keys roll up piano.
37 keys roll up piano/ christmas new year children gifts!
roll up silicone piano product description
features:
compact and light-weight, ultra-portable
fully-adjustable
quiet to loud volume control
offers great quality
8 tone repertoire
10 background rhythms
22 demonstration songs -- for study and appreciation of classic music.
you can choose which channel (1 thru 16) that the roll up piano keyboard will transmit on.
vibrato effects
high quality keyboard sound (just don't compare it to a grand piano which costs a lot more)
can be operated with 4 aa batteries (not included) which can last for up to 12-15 hours of playing time; you can also plug the piano into a proper electrical outlet with an ac adapter (included).led digital display indicates current function
you might be want to know more roll up piano!