KL-V271 vertical mouse guaranteed 100%+good quality+fast delivery time+free shipping

3D optical mouse, ergonomic designs, easy operating and anti-strain-injury.                     

  Advanced high precision 800DPI optical sensor. Advanced orientation technology adopted                                                                                                        

   Mini thumb RF receiver with USB plug, Radio frequency: 27MHz                       

    RF wireless ID technology (256 user ID available) adopted                                              

  Transmission Range: 1.5m or 5ft