... camera,digital 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 ... 2.4 and Mac OS 8.5 or over version 4port USB2.0 high speed hub(model#PG-USB-Hub208)