sell roll up piano 49 keys

This 49-key roll-up piano is designed in a mini and compact size that is portable; simply roll it up and put inside the storage bag, you can take it everywhere and enjoy music everywhere.
  
  specifications:
  1) 4 full octaves of playing range
  2)100 instruments/ 100 rhythms
  3)10 demo songs
  4) Rec/play/vib/echo
  5) 2 bit Digital display
  6) DC power jack/ headphone jack/ external speaker jack
  7) Power supply: 4 x1.5V AA batteries or a 6 voltage AC adapter
  8)Item size: 82(L)X 2.8(W)X18.5(Thickness) cm
  9)Weight : 750 g