Almost a perfect portable mouse

This mouse is slick. Looks great and performs well. The infinite scroll wheel is also very nice. The one issue: no middle click by default. I'm a heavy user of middle-click to close my browser tabs, so I had to remap the gesture button (the button below the scroll wheel) to middle-click. Unfortunately if you've ever used a G903 or similar you'll know that it has a similar layout, but middle-click is actually middle-click and the button below locks and unlocks the wheel. If Logitech could have pulled that off here it would be perfect.

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