Yamaha YPG635 88-Key Weighted Portable Grand Affordably priced 88-key portable keyboard boasts an authentic grand piano-like touch 30 built-in songs plus 70 more on included CD-ROM for you to learn to play using the Yamaha Education Suite Two USB ports on the back for recording and playing back MIDI files as well as saving tracks Two-way stereo speaker system, bass boost, and digital signal processing for enhanced sound Decorative wooden stand, PA150 adapter, and sustain pedal included