This is for a multiplier, one connect to motherboard 9pin(10pin) portUSB cable length is about 30cm.With back glue, can be directly fixed on the main board or chassis firmly.Build-in double chipset, works well and stable.9Pin USB multiplier, increase the motherboard 9pin headerName: 9Pin USB MultiplierSpeed: USB20Multiplication: 1 to 2 portsFunction: PCB backplane is attached with glue, which can be fixed on the inner wall of the casecolour: blueMaterial: PCBPackage Contents:1 x circuit board1 x 30cm extension lineOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.