Logitech M325 Wireless Mouse with Designed-For-Web Scrolling - Into the Deep Micro-precise scrolling: Designed-for-web scrolling makes searches, shopping and browsing easier Feel-good design: Contoured shape and textured rubber grips keep your hand comfortable even after long hours Long battery life: Up to 18 months of battery life virtually eliminates the need to change batteries. Battery life may vary based on user and computing conditions For Windows, Mac and Linux: Reliable wireless connection with tiny Logitech Unifying receiver that can stay in your laptop Logitech Advanced Optical Tracking: Enjoy point-and-click precision