The LogitechA K350 Wireless keyboard is free from cords and full of features. Its wave design with constant curve layout guides your hands into just the right position and conforms naturally to your fingers. Youa ll type with ease and confidence, but without having to re-learn typing on an unfamiliar layout. The cushioned palm rest helps position hands comfortably and properly on the keyboard. With a 2.4 GHz wireless connectivity, this keyboard gives the reliability of a cord plus cordless convenience and freedom - fast data transmission, virtually no delays or dropouts and 128-bit AES encryption. Its extended battery life of up to three years for each set of AA batteries reduces the hassle of frequent battery changes and the integrated battery indicator light helps you keep an eye on the charge level.