Kensington Orbit Fusion Wireless Trackball Mouse Black

High-quality laser tracking sensor, 40mm finger-operated trackball and a simple DPI switch provide smooth cursor control, optimal precision and easy cursor speed transitions. The unique finger-operated scroll ring provides a more precise, intuitive and comfortable scrolling experience. All-day comfort is provided through a sculpted mouse-like design to improve palm, wrist, forearm and shoulder position with less hand movement. Software to set pointer and scrolling options and personalise five programmable buttons to tackle your common tasks with one touch. Connects to Windows and macOS devices via a 2.4GHz nano receiver that stows inside the trackball when not in use. The included USB-A to USB-C adapter works for laptops with limited or no USB-A ports. Easily adjust the cursor speed to fit your needs by selecting the appropriate DPI level (400/400-800/800-1500).