DJ Tech DJT-CTRL Compact Add-On DJ Controller 4 hot cue buttons, filter knob, and manual and auto-loop controls on each deck. 2 Full effects sections, each with 3 knobs, 1 encoder, and 4 buttons. Push encoder for track browsing and loading, and sampler controls with separate volume knob. Solid metal construction, backlit rubber buttons, rubber-coated knobs, USB-powered. Includes mappings for Serato DJ, Traktor, and Virtual DJ (No drivers required)