Logitech 910-005178 MX Ergo Plus Wireless Trackball Mouse, 2048 DPI Optical Sensor, 8 Buttons

A new standard of comfort and precision. Logitech's most advanced trackball for trackball enthusiasts and and consumers searching for alternatives to mice and touchpads. Delivers 20% less muscular strain compared to a regular mouse.

A unique adjustable hinge plus extra 10° wedge offer customized comfort - choose the best angle for you between 0°, 20° and 30°. Precision mode button allows to instantly switch between speed and precise tracking.