Compact keyboard (about 20% smaller than Logitech's standard keyboards) lets you type in more comfort with a layout you're used to, with six hot keys and 12 programmable F-keys for instant access to the Internet, email, play / pause, volume and more Mouse offers natural shape, precise tracking, easy text selection and effortless scrolling Up to 36-month keyboard & upto 6-month mouse battery life practically eliminate the need to change batteries. Just plug the receiver in, pull the battery tab to start. Battery life calc based on an estimated 2 million strokes/year. User experience may vary Powerful 2.4 GHz wireless and one tiny Logitech Unifying receiver give you a reliable connection with 128-bit AES keyboard encryption without delays or dropouts Works with Windows-based PCs
