Yamaha DGX640W Digital Piano Bundle with Bench, Dust Cover, Audio Cable, Headphones, Instructional Book, and Polishing Cloth - Walnut 88-key Graded Hammer Standard (GHS) weighted action Decorative wooden stand, PA150 adapter & sustain pedal included More DSP effects for more realism of all Voices Backlit LCD displays lyrics, chords & notation Optional USB Flash Memory (via USB To Device)