Once you step up to the advanced precision of the Logitech MX Optical Engine, you'll never look back. This amazing high-resolution sensor measures the smallest motion to give you instant response to even your fastest movements.
Once you plug it in, you'll enjoy the difference immediately: from the ultra-smooth, precise tracking to the sleek silver and black design to the comfortable sculpted shape that fits both left and right hands. Plus, a collection of advanced features will streamline frequent tasks like scrolling through long documents, switching between applications, and navigating the web.