4 ports USB 2.2 HUB & USB HUB Material: ABS Size:9.5*8.2*3.6CM 4 ports USB 2.0 HUB & USB HUBMaterial:ABS1.One USB interface to expand into four, small, practical, convenient, each supply up to 500MA, 2.Directly connected with the computer without an external power supply, easy-to-use. 3.The use of second-generation USB HUB controller. 4.USB2.0 interface, support USB1.0/1.1/2.0, transmission speed ...
