Its pros: Official set. And additional Teflon legs and additional switches, if suddenly the main ones are out of order, and the side buttons on magnets can be changed to a different color . a good quality wire for charging the mouse, as well as for using the mouse over the wire at the same time. Quality plastic, not easily soiled. The mouse fits comfortably in the hand. Before that, there was a razer death adder, it is larger in size than asus, and that's what I liked about asus. I got used to it almost immediately. Some cons: Quite a minor minus - there is no connection of the USB wire to the whistle to improve communication, but for me this is not a problem.
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