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