The mouse is good, but if you want to make the most of the extra buttons, consider another manufacturer. For some reason, no one writes about the shortcomings that I pointed out, strange. With its pros: Inexpensive, the keys are fully arranged, good response. It is convenient that you can use any batteries Some cons: Disgusting software. You cannot write keyboard shortcuts with win on the mouse. Only if through a macro, and macros do not work with a Bluetooth connection. This, it seems to me, is nonsense. a4tech has an order of magnitude higher software, albeit clumsy. They could also just embed a single-color LED into the logo instead of a customizable backlight, it would have cost 50 more, but it would have looked cool