The Logitech M325s advanced optical wireless mouse is compact, wireless and geared for working on the move. Use this mouse with your laptop instead of the touchpad and get more done in less time. With plug-and-play functionality and a highly responsive sensor, it allows you to work from any place and at any time, whether you use Windows, Mac or Linux. Its symmetrical shape and three-button design make it equally convenient for left- or right-handed operation. Logitech M325s optical mouse built with advanced optical tracking for enhanced precision. Speedy 2. 4GHz wireless connectivity for improved responsiveness. Contoured 3-button design for comfort and quick scrolling. Works with Windows XP, Vista, 7, Mac OS X 10. 5 or later or Linux Kernel 2. 6+. Requires single AA battery that lasts for 18 months. Compact and ambidextrous design for single-handed operation. Includes a three year limited warranty for increased security. Small-size wireless receiver can stay in your laptop for convenient use. Please note: When installing this mouse the receiver can be found inside of the mouse. Three buttons can be customized for optimal functionality. Safety Data Sheet . The Logitech wireless optical mouse provides advanced optical tracking technology in a stylish design.