Adesso - iMouse T30 Wireless Programmable Ergonomic Trackball Mouse - Optical - Wireless - Radio Frequency - 2.40 GHz - Wireless - Black

Wireless ergonomic trackball mouse with comfortable thumb control, Bluetooth and encrypted USB dongle connectivity, precise smooth tracking, and compatibility with PC and Mac. Designed to reduce hand movement during long work sessions and finished in graphite with a blue trackball for easy visibility.

ERGO M575 Trackball features a sculpted shape and smooth thumb control. Certified by US Ergonomics, it is designed to keep hands relaxed and improve forearm posture. Get precise tracking on any surface and adjust cursor speed to your preference. Plus, customizable buttons and quiet clicks improve the work experience.

The MX Ergo S Plus is Logitech’s most advanced ergonomic trackball mouse yet, with a 20-degree tilt angle and a 10-degree detachable wedge, and precise thumb control - user-tested and certified by United States Ergonomics. The MX Ergo S wireless ergonomic mouse is sculpted to fit the palm of your hand while keeping it relaxed, and it tilts 20 to 30 degrees for 27% less muscle activity in the forearm, providing elevated comfort throughout your day. Work faster with 6 customizable buttons and a DPI button to effortlessly switch between speed and high-precision tracking. Now with 80% quieter clicks. For even more control that's tailored to your needs, assign time-saving shortcuts and Smart Actions using the Logi Options+ App. Connect your wireless mouse to 2 devices via Bluetooth or the included Logi Bolt receiver and switch between devices with a click of the Easy-Switch button.