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Add to SafariWhen comparing Kensington Expert Mouse vs Logitech M570 Wireless, the Slant community recommends Kensington Expert Mouse for most people. In the question“What is the best track ball mouse?” Kensington Expert Mouse is ranked 1st while Logitech M570 Wireless is ranked 2nd. The most important reason people chose Kensington Expert Mouse is:
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).
Specs
Question Ranking
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 No mouse pad required
Works on a variety of surfaces, such as glass. You are even able to use it on your lap.
Pro Amazing battery life
Logitech promises a battery lifespan of 18 months off of a single AA battery.
Pro Works fine via USB-hub
Pro Comfortable
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.
Con Learning to use the thumb to control the trackball might take a while
Most trackballs are finger-operated, and learning a new to control the mouse might take some time.
Con Can be just a bit too small for people with larger hands
