The $49.99 Logitech Ergo M575 Wireless Trackball is the answer to a seemingly obvious question: What if our peripherals were designed to take advantage of the fact that most of us have opposable thumbs? Instead of relying on wrist movement, which can irritate a joint that was never meant to be used that way, the Ergo M575 depends on the thumb manipulation of a sparkly blue trackball. That way, it can provide precise pointer control while offering better ergonomic input than a traditional mouse, at least in theory. If you're willing to give it a try, you may find the Ergo M575 works surprisingly well—but a few niggling details keep us from giving it our highest recommendation.At a Glance, You Might Mistake It for a Mouse Logitech designed the Ergo M575 for right-handed use; lefties will have to look elsewhere for an ergonomically minded input device. If it weren't for the prominent blue trackball, the Ergo's shape could pass for a standard Logitech mouse. Standing 5.3 inches tall w...
The Logitech Ergo M575 is a well-built, more ergonomic alternative to a traditional mouse that's held back only by a design that won't quite fit everyone's hands or workflows.
Ergonomic design; Solid construction; Supports both Bluetooth and Logitech's USB Unifying receiver
Thumb-ball design isn't for everyone; No support for wired connections