Logitech MX Ergo Wireless Trackball Mouse

Ergonomic sculpted design - unique adjustable hinge allows you to customize the trackball angle from 0 to 20 degrees for a more natural, comfortable hand position, and reduced muscle strain Cross-computer control- game-changing capacity to navigate seamlessly on 2 computers, and copy-paste text, images, and files from one to the other using Logitech flow