Enhance your gaming experience with the MX ? 518 Optical Mouse from With its 1600-dpi MX ? Optical Engine it delivers a fast response and mirror-smooth tracking to provide you that edge in your games. The 1600-dpi sensor captures 5.8 megapixels every second and allows you to track up to 15 Gs of acceleration. With its dedicated controls, you can adjust sensitivity effortlessly and 'on-the-fly' from pixel-precise targeting to fast-twitch acceleration, without any software. It features a sculpted thumb support and contoured grip for comfortable performance during even the longest gaming sessions.