Professional DJ USB/MIDI controller Optimized for the world´s leading mixing software Traktor PRO (clearly arranged shift double assignment, control of up to 4 decks) Comes with Native Instruments Traktor LE All controllers are full size Altogether 69 MIDI controllers (42 buttons, 5 faders, 9 encoders, 6 push encoders, 5 turning knobs, 2 jog wheels)