Feature •  Dynamic 3D scrollware included •  Advance wheel scrolling mouse •  Compatible with DOS, Windows® 95 / 98 / 2000 / ME    / XP / NT / VISTA •  Compatible with all major application software •  4D browser with 3 programmable buttons •  Auto scroll and keyboard simulation Specification •  Device Type: Scrolling Mouse •  Connection Type: PS2 •  Hand Orientation: Ambidextrous •  Buttons: 3 •  Scrolling Capability: Yes •  Resolution: 520 dpi