Brazil-based inventor Joco Paulo Lammoglia writes that the mask contains tiny wind turbines and the energy created is transferred through a cable to your electronic device while sleeping, reading, even jogging.
That is, if you don't mind looking like Hannibal Lector and having onion breath while attempting to look on-trend during your morning jog.
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The conceptual design hasn't hit markets and there's no word on whether breathing heavily (or creepily) has any effect on how fast your phone will actually charge.