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

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.

Wireless, Powered by AAA battery (not provided), plug and play, easy to install. Simple to use with either the left or right hand or cradled between the both Press for laser pointer appearance for presentation. Off table and without limits of operational space. Your thumb can easily manage the scrolling function. USB 2.0 interface, plug and play, no software required. Handheld trackball mouse wireless, which can avoid any harm on your wrist and muscle, greatly reducing the chances for Arthritis and CTS suffers. Perfect for both desktops and laptops. Put your thumb on the roller ball and the tip of your index or middle finger on the trigger.

For professionals who spend hours navigating spreadsheets, creative applications, and multiple screens, comfort and control are essential. Traditional mice often rely on flat hand positioning, and long-time trackball users have had limited modern thumb-operated options. The Pro Fit Ergo TB675 Vertical Wired Trackball was designed to deliver a more refined alternative. Its ergonomist-approved 60° vertical design and contoured shape support more natural wrist and thumb positioning, while the 34mm thumb-operated trackball keeps cursor control precise and intuitive. Adjustable DPI settings, a premium 4D scroll wheel, nine programmable buttons, and reliable wired connectivity provide customizable performance without compromise.60° vertical design supports more natural wrist and thumb positioning. Reliable plug and play USB-C® connection (USB-A adapter included). Optical sensor with four DPI levels (400-1600) - switchable speed for precision or fast movement. Premium 4D scroll wheel for smooth vertical & horizontal scrolling.9 customizable buttons - customize shortcuts (via free software) for one touch access to your most-used commands. Patented push button trackball ejection-easily remove the ball for cleaning and maintenance. Built to last and supported with a 3-year limited warranty.