The David Clark H10-13.4 headset is guaranteed to be the most comfortable headset you will ever wear. Built to be extremely lightweight at only 13.4 oz, the H10.13.4 headset still returns a noise attenuation of 23dBs. New headband with soft-foam air-flow pillow assures comfort and eliminates hotspots. The David Clark H10-13.4 retains all the superb quality engineering we've come to expect from David Clark. Supporting the standard quality and performance features you expect. The universal flex boom for perfect microphone placement. The exclusive M-7A, the most advanced noise-cancelling, amplified electret microphone available. Low-profile volume control knobs with dent settings, and a new molded cord assembly made to exceptional pull and flex standards. Features ❑ Extremely Lightweight ❑ Drastically reduced headband force ❑ Super-soft, foam-filled pillow headpad ❑ Manufactured to MIL specs with chrome hardware ❑ Certified noise reduction rating _22dB ❑ Flo-fit gel ear seals ❑ Universal flex boom with an advanced M-7A electret microphone