Thank you for viewing. This is a set including the main unit, a clear case, and an AC adapter, capable of playing music recorded on USB storage devices, PCs/Macs, iPhones, and smartphones. It is fully functional, with no issues in operational accuracy or responsiveness. The photos may not look great, but there are no scratches or stains, so please rest assured. This is professional DJ equipment equipped with a large jog wheel and LCD display. - Model Name: XDJ-700 - Connection Terminals: DC IN, AUDIO OUT, LINK, USB - Operation Buttons: PLAY/PAUSE, SEARCH, TRACK SEARCH, REV - Display: LCD Display - Control Knob: Large Jog Wheel