Contour Mouse

This came out in 2017.

Wireless, and wired versions.

Am not sure it's a big improvement.

• The separating scroll wheel and middle button is great.
• However, now the scroll wheel is operated by the thumb. That's worse, because scrolling is one of the must used function. you may get thumb problems.
• The mouse is flat, which may give you hand pronation problem. That is, palm facing down for too long. [see Is Keyboard Tenting Important]

Left Hand Versions, Right Hand Versions, and Different Sizes

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