MDTC-E006 4 ports usb 2.0 hub 1,4 ports 2,supports ... -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 ... setting, protect your computer and device from damaging. Internal USB line LED will flash to indicate the operation statusStandardsFCC, ...