Logitech Mx Ergo Ergonomic ^^Logitech Mx Ergo Graphite

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 two computers, and copy-paste text, images, and files from one