Product Description: This professional DJ MIDI/USB controller lets you take control of your music on your computer. Use your favorite DAW (Reason, Logic, Ableton) or the included Virtual DJ software to cut up your mix. This controller has tons of controls - 17 knobs, 4 sliders and a crossfader, 12 buttons, and two scratch pads. Easily play/pause, sync, set loops, jog through music, pitch control, and tweak your sound with the 3-band EQ. It easily plugs into your computer's USB port for power and control.