Features:The compact keyboard-and-mouse combo with all the standard keys, extended battery life and reliable, long-range wireless.Much smaller design, same keysThe compact keyboard is about 36% smaller than standard keyboards but still has all the standard keys—so doing the things you love is as easy as ever.Advanced 2.4 GHz wirelessSo you can work or play in more places—like your comfy couch—the wireless connection virtually eliminates delays, dropouts and interference and gives you a range of up to 10 meters (33 feet).*128-bit AES encryptionIt helps protect your information by encrypting data transfer between the keyboard and receiver with one of the highest levels of data encryption available.Fewer battery hasslesA 24-month keyboard and 5-month mouse battery life mean you can go for months without the hassle of changing batteries.**Sleek, minimalist designThe keyboard’s minimalist design not only blends in with your décor—it serves a purpose. No extra space between the keys makes it compact as well as sleek.Plug-and-play simplicitySetup couldn’t be easier—you simply plug the wireless receiver into a USB port on your computer and start tweeting, blogging and IMing right away without software.Whisper-quiet keysThe keys barely make a sound, so you can hear the song you’re listening to—instead of the sound of typing.Specifications:System RequirementsWindows® XP, Windows Vista® or Windows® 7, Windows® 8USB portPart NumberPN 920-003235PN 920-003237Warranty Information3-year limted hardware warrantyPackage ContentsKeyboard (K220)Mouse (M150)USB receiver2 AAA (keyboard) and 2 AA (mouse) batteriesUser documentation