Mini transparent HUB 1)USB hub with 4-port 2)Fully compliant with the Universal Serial Bus Specification version1.1/2.0, Supports 480Mbits full speed and 1.5Mbits low speed 3) Connects up to 127 USB Devices 4)Allows to connect devices that consume a great deal of bandwidth such as scanners, digital cameras, displays and so forth to the computer. 5)Can match power adatper as client request 6) Fully plug & play and Hot swapping support 7)Light weight and earsily portable