M325 wireless mouse delivers a better mix of precision and comfort with designed-for-Web scrolling while also treating your hand to its comfy, contoured shape and soft rubber grips. With up to 18 months of battery life, advanced optical tracking, micro-precise scrolling, and long-range, advanced 2.4 GHz wireless connectivity via the Logitech Unifying&trade receiver, the M325 works with Windows , Mac , Chrome OS&trade , and Linux . Connector/Port/Interface: USB Left/Right Hand Use: Left/Right Mouse Technology: Laser Wired/Wireless: Wireless. Unit of Measure : Each