In the past, we've described the switch from using a traditional mouse to a trackball or ergonomic vertical mouse as taking a leap. It changes the way you interface with your PC, and it can take some time to adjust. The $49.99 iMouse E3, a wired vertical mouse from Adesso, feels like a shortcut when you first start using it: It's surprisingly quick to pick up and use accurately from the get-go. It's shape, though, is less supportive and comfortable than other vertical mice, making that ease of use feel like a compromise rather than a plus.Standing Tall, Falling Flat The iMouse E3 is a basic, budget-priced vertical mouse. Vertical mice, increasingly the go-to ergonomic-mouse form factor, reduce the long-term strain or twist that standard mice impose on your wrist. You grip the tall, fin-shaped mouse as if you were shaking someone's hand, with the mouse fitting into the space between your thumb and fingers. Though there isn't conclusive evidence that ergonomic mice prevent repetiti...
Adesso's iMouse E3 costs less than most vertical mice, but its off-angle design and lack of thumb support feel like an ergonomic compromise.
Adjustable weight; Shorter acclimation time than other vertical mice; Affordable; Left-handed version available
Slippery grip; Not as supportive as higher-end vertical mice; Limited DPI options; Adjustable weight cover is hard to remove