Howard Leight R-01526 Impact Sport Electronic Earmuff

External audio input connects to MP3 players and scanners Amplifies conversation and commands with one single volume control knob Automatic 4 hour shut-off increases battery life Automatically blocks noise above 82 dB, noise reduction rating: NRR 22 Adjustable, low-profle design folds for easy storage From the Manufacturer: The Howard Leight Impact Sport is an electronic earmuff with a sleek, low-profile ear cup design and an adjustable headband for a secure, non-slip fit. It automatically shuts off noise above 82 decibels. A single power and volume control knob allowing you to hear conversations near or far from you. To capture low level sound, the Impact Sport employs built-in microphones that amplify range commands and other important sounds. Users enjoy full, clear directional hearing in stereo. For protection, the Impact Sport actively listens and automatically shuts off amplification whenever harmful sound levels are reached. The earmuffs effectively block any noise, continuous or impulse, of 82 decibels or more. External audio input allows you to connect your mp3 player or other audio source. The Impact Sport boasts outstanding battery lifetime, running on 2 AAA batteries, included. Product Description: To capture low level sound, the Impact Sport employs built-in microphones that amplify range commands and other important sounds. Users enjoy full, clear directional hearing in stereo. For protection, the Impact Sport actively listens and automatically shuts off amplification whenever harmful sound levels are reached. The earmuffs effectively block any noise, continuous or impulse, of 82dB or more. An external audio imput allows you to connect your IPOD or other audio source. It has a black leatherette headband with hunter green ear cups, a snap-on lid for quick and easy battery replacement, outstanding battery lifetime, and includes 2 AAA batteries.