Pretty Flower 4 Port USB Hub Driver Shipping:DHL,UPS,TNT,FEDEX CE,FCC,ROHS ... Pretty Flower 4 Port USB Hub Driver Specification Innovative designWith 4 USB portsSupport hot plug, easy to useSupport USB2.0 and 1.1 versions ... and low speed transfers 12MbpsInstallation of automatic computer recognition, no external power supply, without driverApply to the U disk, camera, card reader, USB mouse, USB ...