Customisable Keys : This full-size wireless keyboard includes 11 hot keys and 4 programmable F-keys that give you instant access to your favourite multimedia options, the internet, play/pause, volume Great Comfort : The concave design of the wireless keyboard creates a comfortable typing experience, that will make your fingers happy after a prolonged session spent on various case documents Plug and Play Simplicity : Setup couldn't be easier, simply plug the wireless mini-receiver into a USB port on your computer and you'll be exploring MSN, shopping on Amazon, searching Google right away Power-Packed Duo : The wireless keyboard and mouse combo is efficient with power, meaning you can go 24 months for the keyboard and 12 months for the mouse without the hassle of changing batteries Reliable Connectivity : The wireless set comes built with Logitech Advanced 2.4 GHz wireless connectivity, giving you reliability plus fast data transmission, no delays/dropouts, wireless encryption Upgrade : To Logitech MK540 Combo for increased comfort - scooped keys, palm rest, full-size mouse with soft rubber grips and customizable shortcuts