Howard Leight Impact Sport Electronic Earmuffs provide protection from damaging noises over 82dB, while amplifying regular ambient sounds such as conversation, range commands, etc. Features include a ventilated inner headband to minimize pressure on the head, durable outer headband to withstand abuse, snap-in ear cushions, directional stereo microphones and Quick-Click headband height adjustment. This unit also comes equipped with an audio input jack and cord for your MP3 player and other audio devices for listening off the field. Use the integrated power and volume knob to control the volume, and the external audio plug for your favorite media player. These electronic muffs fold up easily for compact convenient storage.FeaturesSleek, extremely low profile earcup design allows for full clearance of firearm stock Automatic 4 hour shut-off increases battery life AUX jack connects to MP3 players and scanners Automatically shuts off loud impulse noise to a safe 82dB while amplifying con...