The Axil MX Electronic Ear Muffs are the brand new, state of the art earmuff, unlike anything else on the market... Customizable plates, helmet compatible, ultimate protection + enhancement. The MX Earmuffs provide superior hearing protection in any setting. From concerts and construction sites to air travel and sports events, experience unmatched comfort and safety wherever life takes you. FeaturesMaximum Hearing Protection - Automatic hearing protection to keep your ears safe 25-27dB SNRHearing Enhancement - Stay aware with Boosted hearing up to 8XAll-Day Comfort / Ultra Slimline - Ultra Slimline DesignSweat & Water Resistant - Use anywhere without problems