The product suited me, I will recommend it to my friends.
Who decides to switch to Razer or not, I advise you not to. Mice have a lot of problems, and claves appear over time. Better look at Logitech or SteelSeries.
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Pros
Interchangeable panels (for each genre)
Rubberized sidewalls (the truth is clogged with dirt)
Excellent sensor
Good software
Synchronized backlight
A clear wheel, with good cutoffs, loud, but who cares, I'm fine
Cons
Over time, the sticker from the belly begins to move away (about a year and a half later)
On the Razer Sphex V2 mat, the legs start to scratch well, and the mouse starts to glide poorly
Due to the sticker leaving along the edges, as well as because of the heap of hollows on the belly (around the sticker, around the legs and holes), dust begins to clog into it.
After almost 3 years (I was lucky, for someone it starts earlier), the PCM began to periodically fail (symptom: either it doesnβt work at all, or then it works several at a time)
There was also a feeling that the LMB also began to glitch (symptoms are the same)