88 full-sized piano keys with dynamic hammer action that are fully weighted 138 voices Maximum polyphony: 64 notes 100 is the demo song. Yes, metronome (30-240 bpm) Soft, Sostenuto, and Sustain Pedals On/off reverb Chorus: on/off Touch: three levels Split: In agreement Connectors: USB port, headphones, and aux in and out Speaker Power: Two 25W Finish: White/Black 21 kg in weight Measurements Depth: 345 mm Width: 1290 mm