The sniper button is a hair too far from the base of the thumb (right handed only) which makes use sometimes a little boring, but it is useful for pasting a few headshot more easily. 3 sensitivity levels, depending on the setting of the internal sensitivity to a game I switche between "middle" I already fast enough for web browsing, and the lowest in game fashion. We change very easily with a button on top of the mouse, very well thought out.
Finally, two side buttons can be used with the thumb, they are automatically set to "next" "previous" for web browsing. Again very convenient. Can be set as desired depending on the Corsair software to download on their site (easy to find).
The cable is braided nylon, gear returns a robust feel. I suggest it is worth its price.