DAVID CLARK - 12777G-01 Model H9AN/3SPOver-the-Head, Dual Ear, Noise-Shielded MicrophoneSuperior communication in extremely high-noise areas - up to 130 dBPush-to-Talk switch with waterproof cover on mic shieldSoft, ribbed head pad design stands up to rigorous use and provides excellent comfortFoam filled ear seals provide outstanding comfort and secure fit19-foot straight cord Waterproof plug, Type A529NSN: 5965011159464CODE: 12777G-01