the latest wired optical mouse sm-613

*Keyswitch: 6 button with scolling wheel
*Key lifecycle: 1 million
1. Adopts optical orientation technology, high accuracy and reliability
2. Ergonomics designed
3. Intelligent Internet function
4. High resolution: 800 DPI
5. Zoom in and zoom out function
6. 3D function, multiple decoded
7. Working on any surface except glass and mirror
8. PS/2, USB, Combo port available
9. Compatible with windows 2000/XP/9X/ME/NT4.0, windows vista