Specifications:
800/1200 DPI optical orientation technology high accuracy and reliability
The wire of mouse can be retractable, especial for Notebook computer
Newest optical sensor and technology with high resolution of 800dpi
Accurate tracking on almost any surface
Easy to install, just insert the USB receiver and ready to go
Available for PS/2, USB and USB+ PS/2
Compatible with win95/98/2000/Me/NT/XP