1. Number of keys: 3Key+3D+DPI
2. Compatible system: Win2000, WinNT4.0, WinXP, Win.NET, Win7/8/10, Mac OS X10.8
3. Rate of return: 250Hz
4. Working frequency: 2.4G
5. Switch: mute 3 million times
6. Working current: 12mA
7. 800-1200-1600DPI, to meet the needs of different screen sizes
8. Ergonomic design, can effectively reduce hand fatigue
9. Dimensions: 100.35x58.1x38.5mm