Logitech K750 Wireless Solar Keyboard for Windows Solar Recharging Keyboard 2.4GHz Wireless - Black Solar-powered keyboard: No battery hassles - any light source keeps your keyboard charged for at least three months in total darkness Only 1/3-inch thick: Ultra-thin design adds sleek style to your workspace Feel-good typing: Logitech-only concave key cap design for faster, quieter, more comfortable typing Powerful 2.4 GHz wireless: Enjoy a reliable connection using a tiny Logitech Unifying receiver that stays in your computer System Requirements-Windows XP, Windows Vista , Windows 7, Windows 8, Windows 10. Light source from sunlight and/or indoor lighting .Not for Mac Windows XP, Windows Vista, Windows 7 USB port Light source from sunlight and/or indoor lighting