With a waterproof washable and rugged design the Pro Fit Wired Washable Mouse can safely stand up to immersion or frequent use of spray cleaners. It helps you maintain a hygienic surface and clean up drips and spills without sacrificing performance. Mouse has an IP67 rating one of the industry's highest against dust and water. Plug-and-play wired USB connection delivers instant reliable performance without the need for batteries or special software. High-definition 1600 dpi optical sensor is accurate and responsive for optimal performance and productivity. Contoured construction and three-button scroll wheel setup provide a comfortable experience for left-handed and right-handed users. Secure wired connection means you'll never worry about batteries or wireless interference. This mouse is a perfect companion to the Pro Fit Wired Washable Keyboard (not included). Do not immerse the USB connector.