high speed USB2.0 4 port hub, metal case, for scanner,digital camera,digital vidicon,audio system ... equipment etc. high speed USB2.0 4 port hub, metal case, for scanner,digital camera,digital vidicon,audio system,input ... equipment etc.Metallic Hub: 1) Expand 4 USB ports, supply up to 500mA current per port ... version high speed USB2.0 4 port hub, metal case(Model#PG-USB-Hub207)