Negative Positive
Title: Scroll-wheel too light, middle-button too hard, perfect otherwise
Review: Perfect except(i) that scroll-wheel is too light - the wheel has almost no friction and will happily roll on past intuitive stopping point, so, one has to conciously control it, becoming annoying and ardous after hours of heavy use.(ii) The middle button, underneath the wheel requires significant pressure, so much that one cannot help but unwittingly move the wheel before the press is registered but now in the wrong position.Otherwise, very precise and sensitive. I can move the cursor (mouse pointer) around the screen with slight finger movement, allowing the wrist to stay almost stationary.
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