61 Keys MIDI Digital Roll-Up Soft Keyboard PianoKey Features Convenient to store and carry Can play at anytime anywhere Built in speaker 128 different tones and 100 rhythm sections Opened size (cm): 95(L) x 17(W) Rolled size (cm): 17(L) x 17(W) x 5(H) Rated voltage: DC 6V or 4 pcs AA batteries Package included: Electronic keyboard piano x 1 English manual x 1 AC adapter x 1 (Batteries and MIDI cable are NOT included) Description This 61 Keys MIDI Digital Roll Up Soft Keyboard Piano is a portable