Keyboard:                                                                                                              1> Interface: USB                                                                                                          2> Keystroke life time over 5 million cycles, more durable                                                                3> Compatible with Windows 95/98/2000/ME/XP/NT/Visa/Win 7, etc.                                                                                                 4> Different languages versions available                                                                                     5> Environmental friendly, natural, pure and fresh                                                                            6> Multi color available                                                                                                            Mouse:                                                                                                                        1> Interface: USB                                                                                                               2> 3 Button/1 wheel optical mouse                                                                                               3> High resolution: 800DPI                                                                                                                                                        4> Button life over 5 million times