This revolutionary 800-dpi sensor now captures an incredible 5.8 megapixels every second and is able to track up to 15 G's of acceleration. So you get instant response to your fastest movements, with no lag. Plus, a collection of advanced features will streamline frequent tasks like scrolling through long documents, switching between applications, and navigating the web. And with a beautiful holographic blue finish, you'll enjoy the MX510's looks almost as much as its performance.