Logitech 920003472 Wireless Solar Keyboard for Mac, Full Size, Silver

This light-powered wireless keyboard makes battery hassles a thing of the past.
The solar cells work in any light, including the one on your desk.
No battery changes.
No wires.
And thanks to the standard Mac layout, thereÂ’s no learning curve, either.
At only 1/3-inch thick, the streamlined and lightweight design adds style to your workspace.