Brightly backlit keys with illuminated characters for easy typing, even in the dark, compatible:Windows XP, Windows Vista , Windows 7, Windows 8, Windows 10 PerfectStroke key system makes every keystroke more comfortable, fluid and quiet.No batteries needed: recharge quickly with the included universal micro-USB cable Powerful 2.4 GHz wireless connection with one tiny Unifying receiver that stays in your computer. Works with Windows based PCs, including Windows 10 or later. Try moving the keyboard closer to the unifying receiver, or plug the unifying receiver into the receiver extender cable to bring it closer to the keyboard Easily pair with other Logitech devices through a single Unifying USB receiver. Look for orange "unifying" icon for compatible devices.NOTE:Kindly review the videos under the image section and user manual under product details for set up and user guidance. Compatible with Windows XP, Windows Vista , Windows 7, Windows 8, Windows 10