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.
Step up to advanced precision. The Logitech MX Optical Engine responds instantly to even your fastest movements with more accuracy and control. Leading-edge design offers comfort for either hand. High-precision scrolling speeds you through documents. Touch a button to switch between active programs. Internet forward and back buttons speed surfing....