With its ultra-compact design, the razor slim electronic muffs offer superior hearing protection in a low-profile design.Two hi-gain omnidirectional microphones pick up outside noise and broadcast it through full dynamic range hd speakers for an ultra-clear, balanced sound.Sound activated compression has a blazing fast 0.002 second reaction time to ensure your hearing is always protected.Color: Black w/ Leopard PrintNrr: 23 dBStyle: Over the HeadBattery Size: AAA (1)Material: Polymer