Compact Digital Piano in Black, 88 Full Size, Scaled Hammer-Action Piano Keys w/ Ebony & Ivory Feel, 3 Level Touch Response, Reverb / Chorus / Digital Effects and DSP (on certain tones), 700 Tones, 200 Rhythmswith Auto Accompaniment, 100 Type Arpeggiator, Chordana Play for Piano v2 (iOS & Android), 152 Built in Songs, 5 Song / 6 Track Recorder, 64 Note Polyphony, Terminals: USB MIDI, Headphone, Sustain/Damper,1/8? Audio Input, SP-34 3-Pedal Connector (SP-34 is Optional), 16W Amplifier, Operates on 6 AA Batteries or Included ACADA12150 adapter.