Wired USB-A connection delivers reliable plug-and-play performance without the need for batteries. Compatible with Windows, macOS, and Chrome OS Three-button ambidextrous scroll wheel mouse provides a comfortable experience for left- or right-handed users 1,600 DPI optical sensor tracks the mouses movements smoothly and precisely TAA-compliant, so its ready for use in U.S. Federal Government institutions and organizations A three-year warranty means you can rest assured knowing youre covered by Kensington