So How Do These Work...

The filling station where I trade always has ads for nifty products displayed so they can be browsed as you fuel. This looks to be an ear bud music listening device and as one who prefers sound to come from large box enclosures my imagination ran wild with fanciful uses for a product that makes such claims. Who wears it, you or the perpetrator? My wife wears something like this at night to counter act my snoring. Maybe I should be wearing it? Maybe the police department should issue these to get off my lawn types who advocate the death penalty for loud car stereos? The possibility for use just runs on and on...