Ultra low-profile design makes the Razor shooting ear muffs easier to use; Cool mesh headband delivers breathability; Comfort gel ear pads offer great cushioning; Rubberized coating on the black shooting ear muffs deliver comfort; Sound activated compression enhances the quality of the audio; Compact folding design of the comfortable shooting ear muffs provides for easy transport; Recessed volume control knob allows you to more easily manipulate audio levels; External battery door provides easy access for replacements; Operated by 2 (AAA) batteries which are included for convenience