The Kensington Pro Fit Ergo Vertical Wireless Mouse is designed to promote a natural handshake position, improving wrist posture and comfort. With a contoured shape and a 46.7° slope, it supports your hand in a neutral position, reducing strain during extended use. This mouse features six programmable buttons, a USB wireless receiver, and operates on a single AA battery, providing up to one year of battery life. The optical sensor offers adjustable DPI settings from 800 to 1600, ensuring precision for various tasks. Its right - handed orientation and ergonomic design make it an ideal choice for users seeking comfort and functionality in their daily computing tasks.