Tired of hunching over your laptop to type This compact keyboard lets you type in more comfort with a layout you're used to. And it's about 20% smaller than our standard keyboards, so it fits in your office, your living room or wherever you use your computer. Simplicity at its best. The three-year battery life practically eliminates the need to change batteries. Advanced 2.4 GHz wireless connectivity gives you the reliability of a cord plus wireless convenience and freedom-fast data transmission, virtually no delays or dropouts, and 128-bit AES encryption. Wired/Wireless: Wireless Maximum Wireless Range: 30 ft.