The H10-76 Low Impedance Military Headset is a favorite of the U.S. Armed Forces, NATO and most airborne command centers.This headset is designed to work with low impedance systems on helicopters (it's fit with a U-174/U plug). Features a certified noise reduction rating of 24 dB, gel ear seals, double foam head pad, and flexible mic. Has a 1-year warranty. Does not come with headset bag.