Works on surfaces my previous mouse was not able to properly work on. Fits my hand perfectly! Very reliable and precise, I`m using it for work and my hand does not hurt after a few hours of use, which is nice. I especially love the little design on the sides of it, so my thumb has something to play with. Wish the scroll weel was made out of hard plastic instead of rubber, but that is my personal preferation. All in all 10/10 from me! :)

I have large hands and my old mouse was far too small. My new mouse is very comfortable in that it offers more surface on which to rest my entire hand. The price is equally as comfortable to my wallet in which I was able to save some cash.

It works great. Works on all kinds of surfaces so far. On/off switch on the mouse so you don't waste battery. Just takes a standard AA. It's comfortable. Left-handed here too. Didn't take long at all to get used to.

I bought this 2 years ago and it broke 7 months ago. Can't complain for the price.

I think I like this optical mouse well enough. Have used it for a couple days now. It is very sensitive so it operates quickly. One of the reasons I bought it was the reviews claiming it is larger than most optical mouses. Actually, I could stand it being even a little bigger than it is and I'm a female. One bummer for me, and a suggestion to Logitech, is that there isn't a little light on it that indicates it's on.