1. The high-resolution sensor measures the smallest motion to give you instant response to even your fastest movements
2. Together with left and right key for 3 seconds can be changed 800/1600 dpi laser engine
3. Scroll with better accuracy and control.
The scroll wheel with detents enables extremely accurate scrolling
4. Enjoy accurate, smooth cursor control with MicrosoftR Laser Technology.
5. Scroll wheel makes scrolling easy, puts commands at your fingertips.
6. USB, U+P combo / Laser Mouse available
7. Size: 115*62*38mm
8. Packaging: Color Box