This item hasn't been used for very long after being purchased new. It's being offered at a bargain price because the accessories are missing. The Pioneer DJ DDJ-FLX4, featuring a multi-function knob and 16 pads, is a DJ controller that supports USB connection. - Brand: Pioneer DJ - Model: DDJ-FLX4 - Function: DJ Controller - Input/Output Terminals: USB, RCA, Headphone Jack - Number of Control Knobs: Many multi-function knobs - Number of Pads: 16 pads - Connection Method: USB connection Thank you for viewing.