Logitech MK750 Wireless Solar Keyboard and Wireless Marathon Mouse Combo for PC.wireless connectivity : Infrared
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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