This Ear Muffs have an ultra low-profile design featuring extra slim ear cups, for a secure fit.Our Ear Muffs amplify safe sounds using two hi-gain microphones to provide clear omni-directional hearing; The low end frequencies are enhanced to produce accurate, natural sound.These ear muffs also have an audio input jack, allowing you to plug in your phone or other favorite sound source, effectively converting these ear muffs into a set of headphones with hearing protection. 7.87" L x 5.31" H x 4.13" W
