Inspired by the Microsoft Intellimouse 3.0, the Microsoft Classic IntelliMouse brings back the classic, wired mouse with modern-day improvements. It has all the features you loved from the original—from customizable1 buttons and classic ergonomic look and feel to the wired-USB connection. And with more precise tracking, buttons that feel more reliable, and a distinctive, modern white tail light, this new take on a classic mouse keeps up with your hectic workload.