Pair and Play: With fast, easy Bluetooth wireless technology, you’re connected in seconds to this quiet cordless mouse —no dongle or port required Less Noise, More Focus: Silent mouse with 90% reduced click sound and the same click feel, eliminating noise and distractions for you and others around you (1) Long-Lasting Battery Life: Up to 18-month battery life with an energy-efficient auto sleep feature, so you can go longer between battery changes (2) Comfortable, Travel-Friendly Design: Small enough to toss in a bag; this slim and ambidextrous portable compact mouse guides either your right or left hand into a natural position Long-Range: Reliable, long-range Bluetooth wireless mouse works up to 10m/33 feet away from your computer (3) Works on multiple platforms: Experience seamless compatibility with Windows, macOS, Linux, ChromeOS, iPadOS, and Android operating systems; it is also a Works with Chromebook certified product Plastic parts in M240 Silent computer mouse include certified post-consumer recycled plastic (48% for Graphite, and 37% Off-white and Rose (7))