This is a distinct DIY chassis design and manufacturing of a pre-dual 3 USB + HD audio panel module, news line interface. The audio has eight HD high fidelity lines, and the line size is 600MM. Support USB 3 motherboards Panel With USB USB 3 Ports and Audio Jacks With Cable Material:PCB+plastic+metal colour:black Package Contents: 1 x USB3+USB3+HD Audio Cable Only the above equipment content, different products will not be included. Note: Light shooting and assorted reveals can cause the color of the item in the picture slightly assorted from the real thing. The length allowed error is +/- 1-3cm.