NICEXMAS Keyboard Musical Black 1Set 32.5x6.3in Silicone

There are function on the keyboard surface, convenient to adjust your favorite rhythm.- Electronic Hand Roll Piano You can plug in microphone, headphone or stereo for more versatile usage.- Hand Rolled Electronic Piano The 49-key rollable keys are standard keys, which can be rolled up, small in size and easy to carry.-49 Keys Roll Up Piano A great instrument to help kids develop hand-eye coordination and interest in music.- Roll Up Electronic Piano It can be powered by 3pcs AA batteries (not included) or external power cable.-49 Keys Piano Instrument 1 x piano 1 x cable 1 x manual- Foldable Piano