1.usb hub 4 port driver 2.Foldable,Convenient to ... ,folding new usb hub with 4*2.0 port,fully compliant with the universal serial bus,specification version ... processor,2,support four bus-powered USB hub controller with embedded propriety processor,support four ... cost.provide up to 500mA current to each port which is sufficient for diverse devices,4, ... Design Folding USB2.0 usb hub 4 port driver