88keys professional roll up electronic piano

Sepecification:

* 61/88 Keys Roll Up Piano

* USB charging DC 5V

* Built-in Li polymer battery, working last for 24 hours

* Built-in two speakers, can connect with headphone/external speakers

* 14 demo songs, 128 tones, 128 rhythms

* Recording function

* USB MIDI function

* Chord: Singler finger, Fingered, Sync

* Sound effect: vibrato, sustain pedal portamento