Product DescriptionBattery hassles are a thing of the past with the solar-powered Logitech Wireless Solar Keyboard K750.From the ManufacturerWireless Solar Keyboard K750 Noteworthy Features? Powered by indoor lighting or sunlight ? Sleek ultra-thin design ? Concave key caps for more comfortable typing? Reliably strong 2.4 GHz wireless connection? Tiny Logitech Unifying receiver stays in your laptop Logitech Wireless Solar Keyboard K750 If you've got light, you've got power This solar-powered keyboard makes battery hassles a thing of the past. The keyboard charges itself with any light, including the one on your desk. So you can say goodbye to battery changes and charging cables-all with a streamlined design that looks and feels great. Powered by light. Charged by sunlight or artificial light.Powered by light Charges itself whenever there's light, even desk-lamp lightStays charged for at least three months in total darkness Eliminates the need for keyboard batteries, power bricks and USB power cables Only 1/3-inch thick Thin profile, sleek lines and rounded edges add style to your workspace Lightweight, streamlined design looks good with your laptop or desktop computer Feel-good typing Almost feels like typing on your laptop, but more comfortable Combines the best of traditional keyboards and laptops Logitech-only concave key cap design for faster, quieter, feel-good typing hour after hour Powerful wireless connection Logitech Advanced 2.4 GHz wireless virtually eliminates delays, dropouts and interference Long-range connection lets you work or play in more places, like your comfy couch 128-bit AES encryption-one of the highest levels of security available Plug it. Forget it. Add to it. Tiny Logitech Unifying receiver is so small it can stay in your notebook No need to unplug it when you move around Add a compatible wireless mouse or keyboard without the hassle of multiple USB receivers. Awards and AccoladesCES 2011 Innovations Award Honoree in Computer Peripherals November 2010CompatibilityWhat's in the box?Keyboard Keyboard Logitech Unifying receiver Wireless Extender 3-years limited hardware warranty Works with: Windows-based PC: Windows XP, Windows Vista or Windows 7 Light source from sunlight and/or indoor lighting CompareWhich Logitech Keyboard Is Right For You? GoodBetterBestWiredWirelessKeyboard K120Media Keyboard K200Illuminated KeyboardWireless Keyboard K270Wireless Keyboard K350Wireless Solar Keyboard K750Wireless Illuminated Keyboard K800What Do You Get?Quiet and comfortable typingOne-touch media and Internet controlsUltra-thin with bright, backlit keysReliable wireless wherever you use your keyboardEnhanced comfort and customizable controlA light-powered keyboard that charges itself whenever thereÕs lightBrilliant lighting, comfort and stylelConnection ChoicesUSB SupportAdvanced Wireless: Fast, powerful 2.4 GHz connection Unifying Receiver: Tiny wireless receiver stays in your notebook Keyboard DesignKeyboard LayoutFull SizeFull SizeFull SizeFull SizeFull SizeFull SizeFull SizeTyping ExperienceLow-profile keys shift your wrists toward a more neutral position for comfortable, quiet typing.Low-profile keys shift your wrists toward a more neutral position for comfortable, quiet typing.PerfectStroke key system distributes typing force evenly across key surfaces, making every keystroke comfortable, fluid, and whisper-quiet.Full-size keys and wide, curved space bar.Comfort Wave design cradles your hands instead of forcing your wrists to bend as you type.PerfectStroke key system distributes typing force evenly across key surfaces, making every stroke comfortable, fluid, and whisper-quiet. Incurv