A Digital Piano That’s Tailored to You - Feature-packed Electric keyboard with 88 premium full-sized semi weighted keys with adjustable touch response to suit your preferred playing style Premium Sounds - 5 voices (Acoustic Piano, Electric Piano, Organ, Synth, and Bass), built-in FX: Chorus, Reverb, and two built in 20W speakers that deliver crystal-clear, room-filling sound All The Right Connections - ¼” sustain pedal input (pedal not included), ¼” stereo headphone output for private practice and stereo RCA outputs for connection to speakers / amplifiers Play the Keyboard Wherever You Go - Power via the included power adapter or 6 D cell batteries (not included) for professional piano performance anywhere Powerful Educational Features - Standard, split, layer, and lesson modes with 128-note max polyphony and Skoove 3 month premium subscription for expert interactive online piano lessons Interactive Piano Lessons Included - 60 Free Virtual Lessons from Melodics to hone your skills for any genre or technique you want to master Minimum System Requirements:Windows: 7 (32 and 64 bit), OS X : 10.8, USB 2.0 port (or higher), Built-in metronome with tap tempo can be easily adjusted from 30-280 BPM