Compact Mouse: With a comfortable and contoured shape, this Logitech ambidextrous wireless mouse feels great in either right or left hand and is far superior to a touchpad Durable and Reliable: This wireless USB mouse features a line-by-line scroll wheel, up to 1 year of battery life (2) thanks to a smart sleep mode function, and comes with the included AA battery Universal Compatibility: Your Logitech mouse works with your Windows PC, Mac, or laptop, so no matter what type of computer you own today or buy tomorrow your mouse will be compatible Plug and Play Simplicity: Just plug in the tiny nano USB receiver and start working in seconds with a strong, reliable connection to your cordless computer mouse up to 10 m (5) Better than touchpad: Get more done by adding M185 to your laptop; according to a recent study, laptop users who chose this mouse over a touchpad were 50% more productive (3) and worked 30% faster (4) Small and portable: The compact size and smooth cursor control make this PC mouse suitable for small to medium hands, tight workspaces or offices.