1.2.4G Wireless Mouse                                    2.Dimension:57.5×42.5×33mm                                        
3.Resolution :800DPI~1600 DPI exchangeable.                                   
4.Free moving in 10m,Auto Power saving function                                               
5.Work with 2*AAA battery  Frequency:2.4-2.48                                                         
6.The mini receiver can be inserted into the mouse body                                                       7.Compatible with Windows98/ME/2000/XP/VISTA