Mini Wired Retractable Mouse
1. 3D wired optical mouse. Advanced optical engine
2. Interface: can make PS/2 or USB
3. Resolution: 1000DPI
4. Key lifetime up to 3,000,000 times, roller lifetime up to 500,000 times
5. Humanized design, comfortable to hold, agile to operate
6. Scroll wheel speed searches through documents and the table
7. Compatible with Windows 95, 98, 2000, Me, XP.