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* The electronics have been separated from the ear protection so all of the sweat and moisture from your head won’t affect the lifespan of your muff.
* An audio jack (3.5 mm jack) for connection of MP3 Players/Radios is standard and provides listen-only capability.
* They’ve combined hearing protection while providing sensitive AM/FM reception so your can listen to your favorite Am Gold and the curling championships.
* These ear muffs are rechargeable. No additional batteries are needed.
* An automatic 4-hour shutoff feature means you’ll never arrive to a dead unit, which will help keep money in your wallet and out of the swearing jar.
* Independently tested for a Noise Reduction Rating of 22 NRR, SNR 27.