MDTC-E002 4 ports usb 2.0 hub 1,supports USB2.0/1.1, ... E002 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 ... setting, protect your computer and device from damaging. Internal USB line LED will flash to indicate the operation statusStandardsFCC, CE ... can show us the sample of the color. MDTC-E002 4 ports usb 2.0 hubs