1. 2.4GHz wireless technology, long-distance connection
2. With USB 2.0 receiver (compatible with 3.0), plug and play
3. Symmetrical design, available for left and right hands
4. Mute button, do not disturb others
5. Cherry roller, accurate positioning
6. Three smart power saving modes
7. Feel comfortable
8. Number of buttons: 3 buttons + a 3D scroll wheel
9. Compatible system: Win 2000/NT4.0/XP/NET//7/8/10, Mac OS X10.8
10. Return rate: 250Hz
11. Working frequency: 2.4G
12. Switch: FD mute 3 million times
13. Resolution: 1600DPI
14. Working current: 11mA
