1.104  or 105 or 106keys                                               

   2, Ultra slim due to scissor structure                      

  3, Ergonomic  design                                    

      4,PS/2 ,USB, U+P combo ports available    

     5,Multiple language versions available                           

        6,WINDOWS 98/2000/ME/XP/vista Compatible                     

      7, Use life:over 10million times                              

 8,High quality membrane tactile key switch