I took a mouse at the rate of up to 1000, reviewed many competitors, in this price category, in terms of technical relation, I did not find any competitors. A small minus is that after a month the scroll wheel began to creak. I opened a jar with a load in half a minute with a knife, easily and simply) Some pros: 1. Good sensor 2. switching dpi "on the fly" 3. Adjustable weight 4. Price Cons: Explicit ones that interfere with operation were not noticed