When comparing Kensington Expert Mouse vs Microsoft Wireless Laser Mouse 7000, the Slant community recommends Microsoft Wireless Laser Mouse 7000 for most people. In the question“What is the best mouse for programmers?” Microsoft Wireless Laser Mouse 7000 is ranked 5th while Kensington Expert Mouse is ranked 21st. The most important reason people chose Microsoft Wireless Laser Mouse 7000 is:
Your hand sits in a more natural position because your forearm, wrist, and fingers form a straight line.
Specs
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Pros
Pro Comfortable and ergonomic
With thumb and pinky on the buttons and three fingers controlling the ball, the user's wrist lays flat on the table (or on the provided attachable wrist rest).
Pro Intuitive link between ball motion and FPS camera angle
The ball is large enough for turning it to feel like physically rotating an object.
Pro Comfortable for any hand size
Your hand sits in a more natural position because your forearm, wrist, and fingers form a straight line.
Pro About two weeks of wireless use
About two weeks of wireless use before needing a charge. A full charge takes about 10 hours, but the 7000 accepts a standard AAA battery as well if you need to use it in the interim.
Pro Accurate and responsive
Pro Good charger
Recharging the mouse is easy, it lasts for about two weeks and the battery is replaceable.
Pro Zoom
There's a dedicated button for single-click magnifying tool to zoom in.
Cons
Con Not a mouse
This is a trackball, not a mouse.
Con Questionable secondary button defaults
The upper left button, which is the hardest to use, is middle click by default. The upper right, which the ring finger naturally rests near, defaults to Back. This can be particularly annoying as the Back button is easy to brush when moving hands between keyboard and mouse.