I have long wanted to try using a mouse with a bunch of buttons on the side. I once saw one from Razer, but it cost fabulous money (under 8k, and this was about 2022). I took this one at a discount for the experiment + I needed a mouse for a second PC. The mouse will be good for MMORPG players, some MOBA games, strategy games. For shooters and other little buttons outside of wasd, ctrl, shift, space, games can cause some discomfort, but look at your hand, this is purely subjective. The mouse itself is not very heavy, due to the software you can conveniently adjust the sensitivity. The sensor does not break, the hand obeys well.
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