The Howard Leight Impact Sport Earmuffs give wearers a chance to experience the full force of their stereo or mp3 in a comfortable environment without having to endure sore ears. These sleek, no-slip earmuffs are able to reach far distances and come with a built in microphone and protective amplification system that automatically lowers any sound that passes 82 decibel's, making it the perfect device for gadget lover's of any age.