The sleek solar keyboard makes typing a breezeand battery hassles a thing of the pastby charging itself with any light, including the one on your desk. The laser mouse gives you comfortable and responsive cursor control that runs for years without a battery change. Its the perfect combination to power through every day and taskwithout stopping to change batteries. Powered-by-light keyboard The solar keyboard charges itself whenever theres light, and stays charged up to 3 months even in total darkness. So say goodbye to changing batteries, power bricks and charging cablessolar power keeps your keyboard charged and ready, even indoors. Sleek, thin profile At only 1/3-inch thick, this wireless keyboard looks goodwhether youre using it with a laptop or desktop computer. With its rounded edges and thin profile, this stylishly elegant streamlined keyboard is a joy to hold and beholdand to use. Feels good, works great Combining the best of traditional keyboards, laptops, and a Logitech-only concave key cap design, youll enjoy faster, quieter, feel-good typing hour after hour. And with Logitech Advanced 2. 4 GHz wireless connectivity and 128-bit AES encryption, youll stay connected with virtually no delays or dropouts. Unifying connectivity Both the keyboard and mouse connect to your computer with just one tiny Logitech Unifying wireless receiver. The receiver is so small you can keep it in your laptop when you go places. Plus, you can easily add other Logitech Unifying compatible devices to it without the hassle of needing multiple USB receivers. Hyper-fast scrolling The Marathon Mouse gives you effortless hyper-fast scrolling. Coast smoothly through long Web pages with a single spin. Or switch to precise click-to-click scrolling for lists, slides and images. Either way, power and performance are yourswith up to 3 years of use between battery changes. Laser precision and more Get smooth, responsive and accurate cursor control using the Marathon Mouse?