if you want to free your keyboard from both wires and batteries, logitech has a product
for you: its wireless solar keyboard K750 ($80). this thin (one-third of an inch thick) keyboard features 2.4GHz wireless and gets power from both outdoor and indoor light—a capability that lets you do your computing under the sun.
The solar-powered, wireless keyboard that makes battery hassles a thing of the past.
Powered by light: Good-bye, battery hassles. Solar power keeps your keyboard charged and ready—even indoors.
Very thin: Your desk is about to get sleeker thanks to this streamlined keyboard.
Feels good: It almost feels like typing on your laptop, but more comfortable.
Official Video Link: http://www.logitech.com/en-us/keyboards/keyboard/devices/k750-keyboard
