Easy-Switch technology allows you to pair the M720 Triathlon with up to three computers and switch between them with ease at the touch of a button. Use the lightning-fast scroll wheel to navigate through documents and web pages, or switch to click-to-click scrolling for more accuracy. With buttons made to withstand up to 10 million clicks, the M720 is a true athlete. With 24 months of operation on a single AA battery, you'll appreciate this mouse's increased efficiency. Download Logitech Option Software on Windows and Mac OS X to unlock the full range of possibilities and customize to your needs.