Pin USB Header Male 1 to 4 Female Extension Cable Card Desktop USB2.0 HUB Connector AdapterFeatures:1. With anti-error plug protection, the risk of the short circuit of the pin and the chassis can be prevented after the accidental falling off of the circuit board.2. USB 9 pin on the main board are too few, and some of the users are not so fast as the motherboard update speed, or the need to plug in the main board USB 9 pin to solve the problem for the user.Specifications:Cable length: approx. 30cm/11.81''Interface: 9pin to 9pinInterface quantity: 4pcsNote:Please allow 1-3cm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.