Howard Leight Impact Sport Sound Amplification Electronic Earmuff Black. Featuring built-in directional microphones these Protective Ear Muffs by Howard Leight amplify range commands and other ambient noises to a safe 82db for enhanced communication and a more natural noise environment. The Honeywell Howard Leight Impact Foldable Ear Muff comes equipped with an AUX input for connection to external devices like cell phones and MP3 players and a low energy consuming feature shuts the muffs off after 4 hours to preserve battery. Pick up this Honeywell Howard Leight Impact Air Flow Control Muff for an ultra-slim low-profile and lightweight earmuff that won't interfere when you're shooting Specifications for Howard Leight Impact Sport Earmuff: Manufacturer: Howard Leight Fabric/Material: Steel/Vinyl NRR: 22 dB Quantity: 1 Pair Size: One Size Battery Type: AAA Battery Quantity: 2 Additional Features: 4 Hour Auto Shutoff Included Accessories: 2 x AAA Batteries Condition: New Dimensions: 8.75 x 4 x 9.25 in Weight: 0.95 lb Features of Howard Leight Impact Tactical Muff HL-HP-HLHISSAE: Amplifies low-level sound up to 4 times Protection against harmful noise Convenient folding design for easy storage Soft headband for greater wearer comfort AUX input allows connection to external MP3 players or other audio devices for additional listening off the field Low energy consuming features a 4-hour automatic shut-off Features patented Air Flow Control technology for optimal attenuation Ultraslim lightweight earcup design; low -profile earcups with contoured design allow for full clearance of firearm stock eliminating interference while shooting Contemporary leatherette headband Integrated power/volume knob Package Contents: Howard Leight Impact Sport Earmuff HL-HP-HLHISSAE Howard Leight Impact Sport Sound Amplification Electronic Earmuff Black R-02524