1. 2.4GHz wireless rechargeable mouse with USB HUB, effective distance 10m. 
2. 2 x AAA Alkaline Batteries or 2 x AAA Rechargeable Batteries (Batteries are not included). 
3. USB HUB extension, plug and play: 
- 3 HUB ports. 
- 1 quick charge port. 
- Data exchange and 3C products charging in one. 
4. Side with back and front keys. convenient for web browsing and resources management. 
5. Both hands are available. 
6. Auto adjust the energy saving function. 
7. Wireless Frequency: 2.4GHz 
8. Working voltage: 3.0V 
9. Working current: 8mA on white surface.15mA on black surface. 
10. Positioning : Optical 
11. Maximum acceleration: 14 inches/second. 
12. DPI: 1200DPI.