The mouse from another vendor is fine. The only drawback about which I had, however, previously made up my mind, is the lack of separation between left and right mouse button.
The keys must be clicked quite accurately, ie at the right point and quite vigorously, so that the desired command. For me there is now and then even a wrong click, but I am used to it.
For impatient Grobmotoriker I would not recommend.
The cable is a bit thin and relatively hard - how long is the shelf life, remains to be seen, the rest of the mouse handles beautifully. fits comfortably in your hand and works on both the table and on the floor and bed sheets, even if the surface is not flat. From me a buy recommendation for this mouse in the low price segment.