Logitech Trackball MX ERGO Wireless Bluetooth Mouse - Black by Logitech

A new standard of comfort and precision
Logitech's most advanced trackball for trackball enthusiasts and consumers searching for alternatives to mice and touchpads. Delivers 20% less muscular strain compared to a regular mouse. MX ERGO features a unique adjustable hinge for personalized comfort and the latest tracking, scrolling and power management technology. Logitech FLOW™ enables effortless cross computer control.

Customized comfort
Finally a trackball you can truly call your own. A unique adjustable hinge allows you to choose the best angle between 0°and 20° for a more natural hand position and greater comfort.

Advanced tracking and precision mode button
Change the speed and accuracy of your cursor for optimal control with a press of a button.

Precision scroll wheel with tilt
Get things done faster with quick access to shortcuts. The precision scroll wheel features horizontal scrolling and a convenient middle click.

Effortless Multi-Computer Workflow
Connect and work on two devices at the same time and easily switch between them. Boost your cross-computer experience with Logitech FLOW™ technology. Copy and paste text, images and files between computers. 

Long-lasting and fast rechargeable battery
Battery holds power for up to 4 months on a full charge. One minute of charge gives up to a full day of use.