Logitech Wireless Mouse M815 is a simple, reliable mouse with Plug and Play wireless. You get the reliability of a cord with wireless convenience and freedom – fast data transmission and virtually no delays or dropouts. You’ll enjoy the high quality and reliability. The tiny nano receiver works right away without software and is small enough to leave in your USB port, so you won’t lose it. And on top of that, this comfy, contoured mouse treats your hand right. It works with Windows, Mac, Chrome OS or Linux based computers. So small and unobtrusive, you can plug it into a USB port and forget about it. Plus, you can say good-bye to worries about lost receivers. You can go for a year without battery hassles. The On/Off switch and smart sleep mode help conserve power. You get the reliability of a cord with wireless convenience and freedom-fast data transmission and virtually no delays or dropouts. No software, no hassles-you simply plug in the tiny nano receiver and start using your mouse right away.