B00Y2FW82W Andoer 88 Keys Roll Up Piano Foldable Keyboard Hand-rolling Piano with Battery Sustain Pedal (US plug)

Standard 88 simulation keys (A1-C9), record, replay, automatic tonal modification function.
With headphone/speaker/MP3/DC 5V/MIDI OUT interface.
Edit MIDI file with visual piano roll.
140 kinds of tone, 128 kinds of rhythms, 30 demo songs.
Digital display.