Up to three years of battery life
With up to three years of battery life, you can save time and money while still doing something good for the environment, since you'll virtually never have to dispose of batteries. A status indicator lets you know when the battery level is low.
Hyperspeed scrolling.
Skim long documents and web pages in a single motion. Step-by-step click-to-click scrolling lets you browse lists, slides, or images with precision.
Precise cursor control.
Logitech optical tracking provides precise cursor control and easy navigation on most surfaces at 1000 dpi.