KENMAX Throat Mic Control Covert Acoustic Tube Earpiece Headset with Finger PTT MIC for Walkie Talkie Two Way CB Ham Radio Baofeng Kenwood Hidden microphone inside PTT switch The microphone transmits directly from your throat, so it is not sensitive to the background noise. With the best-quality transparent acoustic tube that could hardly be detected by people around you, This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycle Compatible with: Baofeng: BF-F8HP, GT-3, UV-6R, UV-5X, GT-1, UV-5RV2+, BF-997S, UV-82C, UV-5RI6+, GT-5