Micro-precise scrolling: new 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
system requirements: windows vista or windows 7, windows 8, windows 10, mac os x 10.5 or later, linux kernel 2.6+, usb port.