At a Glance
The Bad: Range issues, no on/off switch
A round track pad sits in the middle of the device, flanked by two buttons. The left button allows you to switch modes -- from standard browsing to only scrolling up and down. The right button acts as a standard right-click button.
There are also two more buttons above and below the circle. The top button is used for dragging while the bottom button acts as the back button in an Internet browser.
A rubber ring, which can be adjusted slightly for the slender and stubby fingered, now features a placeholder for the pico wireless receiver. Considering this was on my wish list last time, I admit that I was pleased to see it.
There did appear to be some range issues. I found the mouse to be much less responsive when I was about 15 feet away. Genius claims the range is 10 meters (so almost 33 feet), but my testing did not show this range. If you'll be presenting close to your laptop, this won't be a problem, but those who present in large lecture rooms should take note.
What You Don't Get
Genius decided to drop a few things with the Ring Mouse 2. One, you now only get a carrying bag instead of a hard-shell case. Two, instead of the retractable USB-to-Micro USB cable that came with the Ring Mouse, you just get a standard cable with the Ring Mouse 2. Neither are deal breakers (you might actually welcome the lessened bulk of the bag), but the retractable cord in particular had been a nice touch the first time around.
Finally -- and what is the biggest feature Genius decided to drop-- the Ring Mouse 2 lacks the on/off switch that the first Ring Mouse had. Although you do get notification when the battery is low, the physical switch to preserve the battery life is no longer there.
The Bottom Line
The Ring Mouse 2 is even easier to use than the first generation. For every feature the company added, another detail was dropped, but the biggest one - ease of use - was improved. Just be sure that pesky range issue isn't going to pose a problem in your presenting environment.