Product Description The Logitech MK520 Wireless Keyboard and Mouse Combo provides the functionality of a full-size keyboard with a stylish and streamlined design. The combo includes a Logitech K520 wireless keyboard and an M310 wireless mouse. It’s perfect for both the home and office. The included M310 wireless mouse is full-size and works well in either hand. It was precision-engineered to feel great even after hours of use. Tired of short battery life and continually having to charge your devices? The MK520 combo has a seriously long battery life. The K520 wireless keyboard lasts for up to 3 years and the M310 wireless mouse for 18 months between battery charges, using smart battery power management. Easily connect to your computer using the included Logitech Unifying receiver. Plug it into your computer and you’re ready to work without any lengthy installation processes. Have all the functionality of wireless connectivity without putting your information at risk. The MK520 uses 128-bit AES encryption and a 2.4GHz signal to keep your information safe. From the Manufacturer Logitech Wireless Combo MK520A Sleek Set For Comfortable Control With a roomy full-size keyboard, contoured invisible optical mouse, and a single wireless receiver that connects them both to your computer, you've got convenience and control comfortably at your fingertips. Product HighlightsQuiet and comfortable full-size keyboard Precision mouse with soft rubber gripsExtended battery lifePowerful 2.4 GHz wireless connection with one tiny Unifying receiverOne-touch audio control keysWorks with Windows 8, Windows RT, Windows 7, Windows XP, and Windows VistaFeaturesFeel-Good Typing Full-size keyboard with palm rest for comfortable typingConcave keys with softly rounded edges let your fingertips glide from key to key and barely make a soundHand-Friendly PrecisionContoured full-size mouse with soft rubber side gripsSmooth, accurate cursor control on just about any surface22. The invisible optical sensor does not work on glass or mirrors. Power-Efficient DesignWith up to three years of battery life for the keyboard and eighteen months for the mouse, you hardly ever have to change batteries. 11. Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Mouse battery life may vary based on user and computing conditions. Plug It. Forget It. Add To It.One tiny Unifying receiver connects the keyboard, mouse, and other compatible Logitech devices like a number padNo need to tie up your USB ports with multiple receiversStays in your computer so your keyboard and mouse are always ready to useTo learn more about the Logitech Unifying receiver, click here >Reliably Robust ConnectionsLogitech Advanced 2.4 GHz wireless for powerful connectivity with virtually no delays or dropouts128-bit AES keyboard encryption—one of the highest levels of security available One-Touch Media KeysChange volume, mute, or skip to the next song instantly - without using your mouse.CompatibilityWhat's In The Box?KeyboardMouseLogitech Unifying receiver3 AA alkaline batteries (pre-installed) User documentation Works With:Windows 8, Windows RT, Windows 7, Windows XP, Windows VistaUSB portInternet connection CompareWhich Logitech Keyboard and Mouse Combo Is Right For You? GoodBetter BestLogitech Wireless Combo MK520Connection FeaturesUSB Support Wireless Protocol & Security Advanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES EncryptionAdvanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES Encryption Advanced 2.4 GHz 128-Bit AES Encryption Unifying-Receiver Keyboard DesignPalm Rest Integrated Integrated Cushion Integrated Cushion Adjustable Height/Angles Integrated LCD Battery Level Indicator (on LCD) Battery Life (Maximum) 24 months12 years13 years13 years13 years1Operational and Navigational ControlsEnhanced F-Keys Search Feature Launch E-Mail Launch Web Browser Launch IM / VOIP Mouse FeaturesLaser Mouse Hyper-Fast Scrolling On / Off Switch Battery Level Indicator Battery Life (Maximum) 5 months11 year118 months12 years13 years1System SupportWindows 7, Windows Vista, and Windows XP, Windows 833. Older keyboard and mouse combo models listed in above chart have only basic functionality on Windows RT. Software and app support aren’t available for this platform. Older keyboard and mouse combo models listed in above chart will provide basic navigation in Windows 8 style UI. Features programmed in Logitech SetPoint software may not function in this mode.