1. 2-in-1 gamepad for pc usb/ps2. 2. Compatible with PC-USB/PS2 3. Compatible with Win95/98/2000/ME/Xp 4. Support PC-USB2.0/1.1 as 2axis-10buttons controller 5. High quality components 6. Twin analog sticks 7. Twin Motor vibration with differential weights 8. Dual Shock 2 compatible