Meet M240 Silent, the reliable Bluetooth mouse that frees up your workspace, connects in seconds, and delivers ultra-quiet productivity that lasts. Its sculpted, contoured shape and 18 months of battery life allow you to focus on your tasks. M240 Silent connects effortlessly with a reliable pair-and-play Bluetooth connection—no dongle or port required. It works with Windows, macOS, ChromeOS, Linux, and Android. With 18 months of battery life and auto sleep mode, you can go longer between battery changes. You might just forget about batteries, as a single AA battery is pre-installed. The mouse is built using the same high-quality standards that have made Logitech the global leader in mice and keyboards.