I honestly don’t know who has serious problems with this mouse, but my mouse is just exemplary - no backlash, squeaks, it lies flat on the table, the materials are pleasant, and it pleases the eye. The horizontal scroll is a bit lacking, but you can live without it (I knew that I took it) and she does not like mirror / transparent surfaces (but this can be attributed to almost all optical mice). You can grumble a little at the noise of the buttons - you could make it quieter, but tolerable (unless you work in the studio at night while your half is sleeping, in which case, an unenviable fate awaits you)) The only thing I read somewhere is that for correct operation you need bluetooth not lower than version 4.0, but for me this is not a problem, because. I do not have devices with older standards. Other than that, it's a great laptop mouse.
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