The mouse can lead pleasant and is also very accurate. One can also make good clean the mouse. The removable housing is firmly wobbles no piece. The main problem in the mouse is the middle mouse button. This can press, which you have to watch that you do not scollt this is difficult. This is for applications / games a big problem if you want to use frequently. I do not need it so often, fortunately, so for me there is also 4 stars. Would also become almost 3 ... :)