Casio CT-S1BK, Keyboard in piano look, 61 Velocity sensitive keys, AiX Sound Source sound generation, 64-Voice polyphonic, 61 Sounds, Reverb, Chorus, Delay, DSP, Master EQ, Volume Sync EQ, Connectivity to the free Chordana Play For Keyboard learning app, Midi, Transposition, Metronome, Midi recorder, Headphone/Line Stereo Mini connection, USB to Host, USB to Device only for WU-BT10, Audio In, Pedal connection, Loudspeaker: 2.5 x 2.5 Watt, Battery operation possible, Dimensions (W x D x H): 930 x 258 x 83 mm, Weight: 4.5 kg, Colour: Black, Incl. Power supply AD-E95100 and music stand