In general, it seemed to me more interesting than v.2, in my opinion a very successful series, which has everything you need. Pros below: Good mouse: - fits comfortably in the hand - many settings - easy to understand software - subjectively button 12 is better than on v.2. - profiles Cons below: - the mechanism for adjusting the wheel, in my opinion, is more successful on v.2, but on v.3 there is the ability to quickly switch between the two modes, plus there is an option to accelerate scrolling.