As the inventor helpfully points out, “since solarchargers don´t work at night or in Sweden half the year, this should be a smash hit.” Way to corner a niche market! The picture looks cool, but the video really highlights the yo-yo action and does some good ‘splaining about how it works.

Click to View Embedded Video Clip

If you’re more highly technological and less color-blind than me, perhaps this schematic will make some sense to you. As for me, all I know thus far about this product is along the lines of “yo-yo! iPhone! Oooooh!”

[via DesignBoom]