... Product Description:1,folding new usb hub with 4*2.0 port,fully compliant with the universal serial bus,specification version ... 480Mbps single chip integrated processor,2,support four bus-powered USB hub controller with embedded propriety processor,support four bus-powere downstream ... diverse devices,4,HOT PLUG&PLAY.Design with super streamline&mini&mini size with color LED show(particular models)5,OS ...