VESTAX Product Name DJ Controller Set VCI-300MK2 & VFX-1 This is a set of a DJ controller and an effect controller. All knobs and buttons responded. Not sold separately. Main unit only. Knobs and other parts have some stickiness. Some paint peeling on the click. ・Can be powered by USB bus power from a PC. Operation has not been confirmed with PCDJ software. Played at clubs several times. Please check the condition from the images. Analog control DJ controller with USB connection, includes VFX-1 effector. Thank you for looking.