GS Essential offer the first earphones of its kind! Giving you a small, comfortable, rechargeable alternative for hearing protection and enhancement without the bulk of ear muffs. Simply turn your earphones on to experience enhanced hearing while protecting your hearing at the same time. Features a 29 dB passive Noise Reduction Rating, paired with Autoblocker hearing protection that shuts off all sounds over 85dB for the perfect combination of hearing protection.