This is a distinct DIY chassis design and production of a pre-dual 3 USB + HD audio panel module, data line interface. The audio has eight HD excessive fidelity lines, and the line size is 600MM. Support USB 3 motherboards Panel With USB USB three Ports and Audio Jacks With Cable Material:PCB+plastic+metal colour:black Package Contents: 1 x USB3+USB3+HD Audio Cable Only the above package content, different products are not included. Note: Light taking pictures and varied displays may cause the colour of the item in the picture considerably various from the genuine thing. The size allowed error is +/- 1-3cm.