... 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 ... 5) Internal over current protection circuits6) Support compatible USB 2.0, full speed up to 480Mbps 7) Support OS: Win 95 OSR2 / 98SE / Me ...