The Logitech MK540 Advanced wireless keyboard and mouse combo is designed to maximize productivity with precision and comfort. The keyboard and mouse have a 2.4 GHz wireless connection, optical sensor, ambidextrous design, built-in multimedia keys, and an integrated palm rest. The range of the keyboard and mouse is up to 32 feet (9.75 m), and both are compatible with Windows and Chrome OS. The mouse also has adjustable feet, allowing you to customize the fit for the perfect grip. With Logitech Unifying technology, you can plug and play both the mouse and keyboard with just one USB receiver. Your keyboard won't require new batteries for 36 months, and your mouse stays powered for 18 months.