Acorn Instruments Masterkey 49 USB MIDI Controller Keyboard<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 49-key keyboard controller for use with virtually all music software and MIDI devices </span></li><li><span class="a-list-item"> Velocity sensitive keys for expressive， musical performance </span></li><li><span class="a-list-item"> USB MIDI for use with Mac and PC. </span></li><li><span class="a-list-item"> Pitch and Modulation wheels for capturing musical expression， 4 pots and 1 fader for tweaking parameters. </span></li><li><span class="a-list-item"> 6ft USB cable， Manual/User Guide， DVD containing Presonus Studio OneTM Artist and content material </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/4173puKAWvL.jpg" noproxy>