Gear Head Laser Scroll Mouse

1600 Dpi 35x Faster Than An Optical Mouse Laser Sensing Technology Universal Design Laser Scroll Mouse User's Manual Warranty Information Operating Systems: Windows Me Windows 2000 Windows Xp Gear Head Gear Head, Llc Lm6000u Laser Laser Scroll Mouse Lifetime Limited Mouse Not Applicable Scroll Wheel Usb Wired Www.pcgearhead.com