Not being used as desktop mouse, and finally it big against a Microsoft IntelliMouse or Dell basic. The index and middle level buttons are reversed automatically, that is to say that it is the right for standard and click the left button to the right-click! Having already configured my last mouse left I was not displeased but I do not think all would be ready to adopt left-reversing clicks. A simple manipulation OS level is sufficient and I think it makes more sense. Otherwise the product itself and really beautiful, strong. The buttons on the sides are accessible without it there is clicked by mistake. It must be 1 year of use and I never am I complaining.
I shall have removed 1 star for reversing the buttons but it depends on your point of view, I was more surprised than anything else.
