KENMAX Military Tactical IP54 Waterproof Big PTT Telescopic Throat Mic Earpiece Headset for Walkie Talkie CB Ham Radio Baofeng UV-89 BF-388A Kenwood TK-2400V4P TK-3402I16P Large waterproof PTT (IP54) owns good texture. Transparent flexible acoustic sound tube will protect you from radiation. With the best-quality transparent acoustic tube that could hardly be detected by people around you, Since the microphone transmits directly from your throat, it is not sensitive to the background nois *Baofeng:BF-F8HPGT-3UV-6RUV-5XGT-1UV-5RV2+BF-997SUV-82CUV-5RI6+GT-5