Space-saving design: The full-size layout includes a number pad frees up space on your desk.
Up to three years of battery life(Battery life is based on a calculation of an estimated 2 million
keystrokes per year in an office environment)
Tiny Logitech Unifying receiver stays in your notebook and you can easily add compatible mice and keyboards to the same receiver
Advanced 2.4 GHz wireless connectivity gives you fast data transmission, virtually no delays or dropouts, and 128-bit AES encryption.