1.support dual shock function in games,which support directx force feedback. 2.digital and analog modes with better performance 3.All directions,8 programmable quick auto-fire buttons 4.computer cpu about p 133 MHZ with USB port windows 98/2000/Me system and directx 7.0 or later 64MB RAM, SVGA 256 monitor. 5.the product is specially designed for super game players and fans. 6.the beautiful rxterior,double shock and perfect button functions make your playing more exciting.