Logitech Ergo M575 Wireless Trackball Mouse - Easy Thumb Control, Precision and Smooth Tracking, Ergonomic Comfort Design, for Windows, PC and Mac with Bluetooth and USB Capabilities - Graphite

Minimize movement and maximize comfort with ERGO M575, a wireless trackball with a sculpted shape and smooth, responsive thumb control. It doesn’t need to be moved, so it’s perfect for tight desk spaces.