Navigate your computer with the utmost convenience when you're using the Logitech ERGO M575 wireless trackball mouse. Boasting an ergonomic design with a trackball, it enables total control with minimal movements, keeping your hand relaxed when you're working late into the night. Its 2, 000 DPI sensor offers smooth, precise tracking on virtually any surface. | Logitech ERGO M575 Bluetooth Trackball Mouse - Black