A Self-Charging Bluetooth

I've always turned up my nose at Bluetooth cellphone headsets, and I admit I've been sacrificing convenience and comfort for vanity. Not to name names, but certain popular models make me think of fast-food drive-throughs, or ill-conceived jewelry.

But, eschewing Bluetooths altogether means I wind up dropping my phone a lot, not to mention the smeared makeup and overall ickiness of...