CURVE APPEAL\n Your hands get cradled in comfort by the Comfort Wave Design" Wave + Curve + Palm Rest.\n\n CUSHY CUSHION\n When you&153;re not typing, the cushioned palm rest will help make your hands happier.\n\n POWER-PACKED\n The three-year battery life is so hassle-free you just might forget it uses batteries at all.\n\n MORE POWER\n You pop the tiny Logitech Unifying receiver in your notebook & leave it there. You can even add more devices. Plug it. Forget it. Add to it. Learn more about the Logitech Unifying receiver.\n\n WAVE-SHAPED KEY FRAME\n Your fingers vary in length. So with its gradual wave-shaped contour, this keyboard supports the actual, varied lengths of your fingers. Learn more about how Logitech created the Comfort Wave Design.\n\n THREE-YEAR KEYBOARD BATTERY LIFE\n The extended battery life means you won&153;t spend your time tracking down new batteries. Big on battery life? We are, too.\n\n CONNECT WITH EASE\n You pop the tiny Logitech Unifying receiver in your notebook & leave it there. You can even add more devices. Plug it. Forget it. Add to it.\n\n ADVANCED 2.4 GHZ WIRELESS\n So you can work or play in more places"like your comfy couch"the long-range wireless connection virtually eliminates delays, dropouts, & interference. Learn more about Logitech wireless technologies.\n\n CONSTANT CURVE\n The curved profile has a familiar shape & consistently sized keys, so you can type with comfort & confidence"without relearning how to type.\n\n CUSHIONED, CONTOURED PALM REST\n The palm rest helps position your hands comfortably on the keyboard"and offers a comfortable place to rest your palms when you&153;re not typing.\n\n ADJUSTABLE KEYBOARD HEIGHT\n Three options for leg height allow you to adjust the keyboard to the height that feels most comfortable to you.\n\n INSTANT MEDIA ACCESS\n Convenient one-touch controls give you instant access to volume & media playback. A dedicated button starts Media Center.\n\n PROGRAMMABLE KEYS\n You&153;re in charge with programmable F-keys you can easily customize to open your favorite applications, folders, or Web pages. Shortcuts? Hot keys? Programmable buttons? Find out more about Set Point&132;&162; software. Feature Feature Value Recommended usage Home Device interface RF Wireless Keyboard layout QWERTYKeyboard language English Keyboard form factor Standard Programmable hot keys Y Connectivity technology Wireless Purpose PC/server Frequency band 2.4 GHz Keyboard style Curved Product colour Black Adjustable keyboard height Y Power source type Battery Battery type AANumber of batteries supported 2 Mouse included N Windows operating systems supported Y Optical drive required YUSB required Y Receiver included Y Wireless receiver interface USBReceiver type Unifying receiver Unifying receiver Y User guide Y