Popular Wireless optical Mouse                                

Interface: Nano USB receiver
Key number: 4            
Resolution: 800/1200/1600  
Working distance: 10M                                                                            Material: ABS                 
Size: 113.2*57.3*22.5mm
Color: Black                                                                              OS supported:Windonws 98/2000/7/8/10/XP/Vista/Mac                               Battery:AAA*2