Perfect mouse, but qualitative deficiencies

The mouse looks advance of extremely great. It is (in my opinion) great in your hand, you can reach all the knobs and buttons easily. The numerous adjustment possibilities, either the weight, the length of the mouse, etc., are top.

The software is in my opinion great.

But what has prompted me to give only 3 stars was the quality of the mouse. After not quite 5 months nomaler usage (an hour or gamble on the day) was the mouse wheel up the ghost. Although the screening was still present, but the sensor inside is likely to have adopted, as caused a small movement on the bike uncontrollable jump of the screen. And click with the mouse wheel is nachzu impossible precisely because rumspringt the page.

Something should not happen in this price range.