Logitech MK750 Wireless Solar Keyboard and Wireless Marathon Mouse Combo for PC Solar-powered keyboard: No battery hassles. Any light source keeps the keyboard charged for at least three months, even in total darkness High-performance laser mouse: Get accurate cursor control, hyper-fast scrolling and up to three years of battery life Unifying wireless receiver: One tiny USB receiver wirelessly connects both the keyboard and mouse to your computer Comfortable combo: Concave key caps, whisper quiet keys and sculpted mouse for feel-good typing and mouse control PC compatible: Works with Windows 8, Windows 7, Windows Vista or Windows XP Windows 7, Windows 8, Windows 10 or later USB port Light source from sunlight and/or indoor lighting Internet connection for optional software download