Hearing Protection, Shooters and Hunters Over the Ear Low Profile Sport Electronic Earmuff 82db Sound Trap. Active Low Profile Ear Warming Electronic Ear Defender Compact Earmuff. Independent Electronic Circuit on Both Cups Turns Off Sound At 82db. 4-5 Times Low Sound Amplification Using Two Microphones. 3.5mm Audio Input Jack on One Side to Connect Music or Cell Phone for Communication Between Indoor/Outdoor Shooters, Hunters or Industrial Communication for Training in Noisy Locations, Guarantee with Return Policy By Amazon. After you purchase your Ear Muffs scroll down to the bottom of the page and write a review. Low profile electronic compact earmuff sound trap, Active electronic ear defender. Amplifies ambient sound and also protects hearing. Ideal for shooter and hunter 3.5mm audio input jack one side to connect walkie-talkie or cell phone Two microphones to amplification low sounds 4-5 times. Cuts off immediately when sound goes over 82dB. NRR21dB