Very poor construction

Warning on this product! I received a first model during August which seemed faulty. There was indeed a "game" in the wheel which made it hazardous scroll. As well as from left to right from top to bottom before crossing the "click" of the scroll. Having been compared with that of a friend, I saw that there was indeed a worry. Amazon so I replaced the product without harm. The wheel of the latter was perfect but it was this time on the right click there was a worry. The sheer weight of the finger enough to click ... All too sensitive and therefore unplayable. Especially much different me my first mouse and simply left click. I also found that the grips were different from a model to another ...

Brief mice are wanting luxury but extremely cheap! I have seen on forums that good numbers of users coming in to criticize the strength of these products ...