This Logitech wireless keyboard and mouse combo offers a full-size keyboard with 11 hot keys and 4 programmable F-keys for instant access to multimedia, internet, and more. The keyboard features a concave design for comfortable typing. Setup is simple with plug-and-play USB connectivity. Enjoy long battery life, with up to 24 months for the keyboard and 12 months for the mouse. Logitech Advanced 2.4 GHz wireless technology ensures reliable and fast data transmission with no delays or dropouts, plus wireless encryption. Upgrade to the Logitech MK540 Combo for enhanced comfort with scooped keys, a palm rest, and a full-size mouse with soft rubber grips and customizable shortcuts. Note: The USB connector is located in the battery compartment of the mouse.