On first use, I notice that the left click is a little hard, it meets that clicking strong, and on the tip of the button. The source of the problem lies in the batteries: one of them pushes the "shell" blue and makes the almost ineffective click.
After several hours to remove and replace the batteries, I decided to give up. My old works much better wired mouse, the click is easier, and I can do it throughout the button without pick on the edge.
So I strongly recommend this mouse, which has a big worry on the placement of the batteries. I'm not alone, I have seen several reviews around the Internet talking about this problem caused by the batteries. Especially at this price point, it's easy to find mice also design, but easier to use.
I am very disappointed Logitech, yet I bought another mouse model home, cheaper and more, and have not encountered this kind of worries. This mouse will take the direction of the trash, and my old wired mouse, it goes out of the closet.
