USB2.0 4-port hub with several colors USB 2.0 specification Specifications:Support 1T HDDUSB HUB with 4 portsSupport USB 2.0Support data transmission:full speed to 480 Mbps,medium-speed 12 Mbps,low-speed 1.5 MbpsPacking:Blister packing USB 4-port HUB promotion,usb hub driver download,wireless usb hub