You are viewing a single comment's thread from:RE: QuietOn Earplugs - Low frequency noise that normal earplugs can't blockView the full contextteamhumble (74)in #steemhunt • 7 years ago i think we already have these. https://steemhunt.com/@steempoweruser/quieton-sleep-kill-snoring-active-noise-cancellation-20-hour-battery sorry, i've delisted this.