Style:Earmuff | Color:Teal At the range or on the hunt,the Howard Leight by Honeywell Impact Sport Sound Amplification ElectronicShooting Earmuff keeps you protected from hazardous noise and connected toyour environment. It carries a Noise Reduction Rating (NRR) of 22 in both onand off mode. When the electronic ear protection is switched on, it employsbuilt-in directional microphones that amplify ambient sounds to a safe 82 dB.This allows you to hear important commands on the range and crucialenvironment sounds when hunting. For additional shooting hearing protection,it also actively listens and automatically shuts off amplification when loudimpulsive sounds like firearm discharges reach 82 dB. Patented Air FlowControl technology allows for a slim earcup design that ensures your firearmstock has clearance while shooting. The padded headband features telescopicheight adjustment for a comfortable, customized fit. An external audio jacklets you connect the shooting earmuff to an MP3 player, scanner or other audiosource. The battery delivers approximately 350 hours of usage, and theautomatic shut-off feature engages after 4 hours to help save battery life.All Howard Leight electronic earmuffs and safety eyewear are compatible foruse with each other. From the Manufacturer Howard Leight by Honeywell ImpactSport Electronic Earmuff in TEAL amplifies sound while automatically blockinghazardous noise. Directionally placed stereo microphones amplify sound formore natural hearing while blocking harmful impulsive noise over 82dB. TheImpact Sport earmuffs are comfortable for extended wear with a contemporaryand adjustable fit. The low-profile earcup design includes a cut-out allowingfull clearance for firearm stocks. The external audio jack allows you toconnect to any audio source, such as MP3, CD or scanners. Noise ReductionRating 22. Automatic 4 hour shut-off extends the battery life to 350 hours.One volume control knob allows easy access to change the level of volume ineach ear. You can easily store the Impact Sport in your range bag because ofits compact folding design. Package includes earmuff, 2 AAA batteries and AUXinput cord.