NRR 26dB Noise Cancelling Military Airsoft Communication Headphones Tactical ...
NRR 26dB Noise Cancelling Military Airsoft Communication Headphones Tactical Headset with U94 Ptt Boom Mic for 6 Pin Motorola gp328plus ex500 Retevis rt29 rt48 nr30 Ailunce hd1 (NATO US Wired). 【REAL NOISE CANCELING】NRR 26dB.