1. USB Bus powered 2. Fully compliant with PS/2 Keyboard / Mouse 3. Support USB and PS/2 Plug and Play 4. Also support two PS/2 keyboard or two PS/2 Mouse (2p mode) 5. Support standard windows multimedia keyboard 6. Support Windows 98 / SE / ME / 2000 / XP and Mac OS 9.0 / OSX / Linux
