1.Working distance: up to 10m           
2.Smart connect without code, plug and play              
3.Resolution: 1000 DPI       
4.Scroll up and down line by line                  
5.With forward, Backward function                      
6.Power supply : 2pcs AAA Battery
7.Power saving mode: Automatic power off technology
8.Compatible with Windows 7/ 8 / 2000 / Vista / XP Operation system

9.Optical mouse with 3 buttons and noiseless scroll wheel

10.Ergonomic Design, Make Wireless mouse for comfortable for use

11.Easy  to Zoom in/out