Compact Digital Piano in black, 88 Full Size, Scaled Hammer-Action Piano Keys w/ Ebony & Ivory Feel, 3 Level Touch Response, Hall / Reverb / Chorus Digital Effects, 10 Tones, 2 Built-in Demo Songs, Chordana Play for Piano v2 (iOS & Android), 1 Track MIDI Recorder, 64 Note Polyphony, Terminals: Headphone, Sustain / Damper, 1/8? Audio Input, USB, SP-34 3-Pedal Connector (SP-34 is Optional), 16W Amplifier, Operates on 6 AA Batteries or Included ADA12150 adapter.