1.2.4G Wireless Technique.                     
2.Free moving in 10m,Auto Power saving function                              3.Resolution :800DPI~1600 DPI exchangeable.                                 
4.Product Size:100*55*34mm           
5.Work with 2*AAA battery  Frequency:2.4-2.48                                    
6. The mini receiver can be inserted into the mouse body