The Kensington Pro Fit Ergonomic Wired Mouse in Black (K75403WW) is a high-quality mouse designed for optimal comfort and performance. With built-in wrist support, this mouse helps promote proper typing and mouse usage, reducing strain on the wrists and fingers. The wired connectivity ensures a stable and reliable connection, while the optical tracking method provides precise and smooth cursor movement. Featuring 5 buttons and an ergonomic design, this mouse is a great choice for users looking for a reliable and comfortable mouse for extended use at their computer.