Simply connect the controller to your computer using the provided USB cable to power up and start playing! Rekordbox DJ compatible. You get a Rekordbox DJ licence key and a manual bundled with this controller. Simply activate your licence key for the DJ software, connect the controller, and start your DJing journey. Having a universal club-style layout, the DDJ-400's buttons and knobs are arranged in the same way as those on a professional set-up. Develop and enhance your mixes with Sound Colour FX and Beat FX in this amazing controller. Rarely and Gently used. No scratches or scuffs. Box included. Firm price but open to offers. Serious inquiries only.