MDTC-E006 4 ports usb 2.0 hub 1,4 ports 2,supports USB2.0/1.1, 3,No driver required,plug ... ,support hot swapping; Item NO: MDTC-E006 4 ports usb 2.0 hub Feature Extend 4 USB ports,each supplies power ... 500mA (max.); USB 2.0 high speed transfer port, compatible USB 1.1 downwards ... the sample of the color. MDTC-E006 4 ports usb 2.0 hubs