Again, the first impression is positive

The mouse came (7 weekdays) fairly quickly. It is much larger than I expected and weighs with two AAA batteries 80 grams, but it is actually quite shallow. The enclosed User's Guide is almost unreadable (writing very small and extremely pixelated) and probably also contains false information. So should you can adjust the mouse on four DPI stages, my mouse can only three (but I do not care). The information on the back of the mouse are also barely visible and the status of the on / off switch can be seen only when installing a small white dot.
The pairing was - as almost always - without any problems and I have no functional problems. Changing batteries and restart the computer do not lead to disconnects (after restart press a button and it goes back).
In terms of hardware the battery level will not be displayed and the battery life I can not say anything yet. The mouse can be used equally well left or right and the scroll wheel is grippy and easy to operate, but does not run with the same resistance.
Structurally and functionally it strongly resembles the Ckeyin Mini 1000 DPI, which has ceased operations with me after five weeks, and made acquaintance with the garbage.