The Logitech G502 Proteus Spectrum ($80) is one of the best gaming mice you can buy, partially because there’s so much you can do with it.
In addition to programming each of the mouse’s 11 buttons, you can set up profiles for individual games, adjust the backlighting and tweak the weights. Using the Proteus Spectrum is pretty straightforward, but if you need a quick guide to any of its features, read on.
How to Program Buttons
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