I like the ergonomics of this one, and I choose red this time for a bit of color

Nice ergonomics, battery life was good and there was very little latency

Ergonomics and simple design work well for this mouse.

But if the pain persists, I might have to look for another mouse with better ergonomics.

Good ergonomics.

I've had lots of these - the batteries last forever, the ergonomics are good, and like all logitech mice they work and last a very very long time

Easy to use, great ergonomics

Great ergonomics, and the tracking and clicking are more precise than the 10 dollar mouse

Like the ergonomics and ease of use. very reliable

The size and weight of the mouse provide good ergonomics

The ergonomics are perfect on it

It's a cheap-o product that causes your cursor to stall and freeze

It's a cheap-o product that causes your cursor to stall and freeze

well I like it and use it daily for both bruising and photo edit

I like the two buttons on the side for back and forward when on a browser, very nice.