The Kensington Pro Fit Ergo Vertical Wireless Mouse is designed to improve wrist posture with its natural handshake position, making it a perfect choice for those who spend long hours at the computer. This right - handed vertical mouse features a sleek black design and is equipped with six programmable buttons for customizable functionality. It operates wirelessly via a USB receiver, providing a clutter - free workspace. The mouse is powered by a single AA battery, offering up to one year of battery life. With an input resolution of 1600 dpi and a range of 66 feet, it ensures precise tracking and responsiveness. The ergonomic design includes an extended lip for added support, making it comfortable for larger movements.