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electronic ear muffs with AM/FM radio excellent FM reception search the program automatically protect your hearing from harmful noises,but also allow you to hear normal conversation weak sounds can even be amplified,so you hear them better than you would without electronic earmuff immediately attenuated the noises above 85dB soft,wide and foam ear cushions and individually headband provide an even and consistent distribution of pressure around the ears for the best possible comfort you can alsoconnect a MP3 player (option) variouscolor can for choose CE approval EN352