A marvel! 21

The only (very) tiny criticism I could make this mouse and the color of the dial is independent but software settings of the selected profile (one of the five default colors: glass, blue, purple, red and yellow). This is THE missing details kikou product!
As for the rest, nothing to say: the finish is good and ergonomics. The necessary customization of the weight is present and accurate thanks to eight small fleet supplied with. The software is simple and complete. Finally, I would say that the thumb rest is simply a rare find!
Come on, really to quibble, the cable could be more flexible (cable that has the good taste to be covered in fabric for better resistance to cuts).

A product that I recommend without reservation!