-USB Features Using Manual: IBM PC And Its Permit The Machine Concurrently, Support USB Port, 133mhz Or Higher Processor, 16MB Or An Above Insides Save, fully Compatible With Windows-98/ME/2000/XP/ SP2 Operate System, Direct X 7.0 Or Higher Edition, Insert USB Plug To Your Computer, Enter Into’My’ Computer –Control Panel, Dblclick Gane Choose, Click Attribute, Then Enter Int Testing Page,