This is a Numark "Party Mix" USB DJ controller from 2-channel, featuring effects and sound quality adjustment functions. The box and accessories are missing, so only the main unit is included. It was mainly used at home and stored in a closet. Below is the operational status of the unit, tested with the DJ software "Serato Pro": - Confirmed sound output from the 1/8" (3.5mm) TRS main output terminal and the 1/8" (3.5mm) headphone terminal. - PADs, jog wheels, buttons, faders, knobs, etc., have been tested and confirmed to be working. - When turning the Deck 1 BASS knob in the positive direction, there is a slight catch. - There are scratches on the PADs, the top of the unit, and the back. Shipping will be done by wrapping the unit in bubble wrap and placing it in a cardboard box. Please understand that this is a used item before purchasing. Instant purchase is OK. Specifications: - Output terminals: RCA stereo output terminal, 1/8" headphone terminal - Power: USB bus power - Size: Approximately 325 x 197 x 51mm (W x D x H) - Weight: Approximately 0.8kg