... vidicon,audio system,input equipment etc. 4port USB2.0 high speed hub for scanner,digital camera,digital vidicon, ... audio system,input equipment etc.Description:Metallic Hub: 1) Expand 4 USB ports, supply up to 500mA current ... 5) Internal over current protection circuits6) Support compatible USB 2.0, full speed up to 480Mbps 7) ... OS 8.5 or over version 4port USB2.0 high speed hub(model#PG-USB-Hub208)