... ,audio system,input equipment etc. 4port USB2.0 high speed hub for scanner,digital camera,digital vidicon,audio system ... Adopt the second age USB controller 3) No external power supply 4) Driverless, hot plug and play 5) ... current protection circuits6) Support compatible USB 2.0, full speed up to 480Mbps 7) Support OS: Win 95 OSR2 ... .5 or over version 4port USB2.0 high speed hub(model#PG-USB-Hub208)