Kensington - Pro Fit Ergo TB450 Trackball - Optical - Wireless - Bluetooth - 2.40 GHz - USB 2.0 Type A - 1600 dpi - Wireless - Black

Introducing J-Tech Digital’s V728 wireless ergonomic trackball mouse. Offering an ergonomic design, The V728 is easy to grip, and the trackball function reduces any strain on the wrist and arms while allowing precise cursor movement with accuracy and control. Enjoy the wireless functionality and reduce the clutter of wires on your desk. Easy DPI button lets you adjust the sensitivity of the mouse on the fly, so you always remain in control. The V728 is perfect for users who spend a good amount of time on their computers and using the mouse. Reduce wrist & arm strain and start maximizing on your comfort.

Kensington Pro Fit TB550 Mouse - Optical - Wireless - Bluetooth - 2.40 GHz - Rechargeable - 1600 dpi - Trackball, Scroll Wheel - 7 Programmable Button(s) - 1 Each

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.