It also helps prevent moisture and carbon dioxide loss that in turn leads to an overall degradation in the quality of the egg.

FORBES: Natural Protection

Of course, a device of that size also poses a number of problems, but Insound appears to have all those sorted out, with it employing a special "spongy material" that allows moisture to escape and prevent infection, and a magnet to actually remove the device from the ear.

ENGADGET: Insound's Lyric hearing aid cozies up right next to your ear drum