Logitech K750 Solar Powered Wireless Keyboard - Works w/ Any Light Source Even Indoors

Solar-powered keyboard: No battery hassles - any light source keeps your keyboard charged for at least three months in total darkness
Only 1/3-inch thick: Ultra-thin design adds sleek style to your workspace
Feel-good typing: Logitech-only concave key cap design for faster, quieter, more comfortable typing
Powerful 2.4 GHz wireless: Enjoy a reliable connection using a tiny Logitech Unifying receiver that stays in your computer
Works with Windows-based laptop and desktop PCs