49-key keyboard controller for use with virtually all music software and MIDI devices</br>Velocity sensitive keys for expressive?? musical performance</br>USB MIDI for use with Mac and PC.</br>Pitch and Modulation wheels for capturing musical expression?? 4 pots and 1 fader for tweaking parameters.</br>6ft USB cable?? Manual/User Guide?? DVD containing Presonus Studio OneTM Artist and content material</br></br>Product Description</br></br>The Masterkey 49 USB MIDI controller keyboard opens the gate to computer music creation</br><br/>http://www.amazon.com/gp/product/B005EU6KYG