Anker 2.4G Wireless Solar Keyboard for Windows 8 7 XP Vista - Black Discreet solar panels provide you with constant, environmentally friendly power under any type of lighting, even fluorescent office or ambient lighting. Built-in, backup lithium-ion battery enables 80 hours of light-free typing. Full-sized keyboard layout and molded keys ensure comfortable, quiet typing. Hot keys customized for Windows help perform common tasks at the touch of a button. Package contents: Anker 2.4G Wireless Solar Keyboard, USB charging cable, instruction manual.