sun power by hyung kyu kim from korea

You just use Sunglasses by its own purpose, don't you?
If your mp3 or cell-phone are flat, When you are go out for travel or picnic, what should you do to getting out of trouble?
The lens of Sunglasses is a absorption part of solar energy system.
The solar energy is transmitted to battery back side of Sunglasses.
This solar energy can charge either mp3 or cell-phone.