Adesso - iMouse T50 - Wireless Programmable Ergonomic Trackball Mouse - Wireless - Black

Tackle complex tasks or browse documents effortlessly with this Orbit wireless mobile trackball. An ergonomic setup and ambidextrous design allow for comfortable use, while the touch operation provides accurate, efficient scrolling. Customize the two buttons using free downloadable software for even greater ease of operation. A wireless USB nano receiver makes it easy to connect this Orbit wireless mobile trackball to a PC or Mac device.

iMouse T40 - Wireless Programmable Ergonomic Trackball Mouse

Minimize movement and maximize comfort with the Logitech ERGO M575S wireless trackball mouse. Thumb control lets you move the cursor without moving your arm, while the sculpted ergonomic design fully supports your hand and keeps your forearm in a more natural position. This wireless ergonomic mouse has been developed by Logi Ergo Lab experts, user-tested and certified by ergonomists to give you 25% less muscle strain in your forearm . The smooth and responsive thumb control can be used anywhere – and since it doesn’t need to be moved, the ERGO M575S is perfect for tight setups and busy desks.