IFeng 2 Pin Covert Acoustic Tube Throat Mic Earpiece Headset with Finger PTT for Walkie Talkie Kenwood TH-42E TH-48 TH-55 2 pin Flexible Throat Mic Microphone Acoustic Tube Covert Earpiece Earphone Headset Finger PTT(Push To Talk) for Kenwood Puxing Wouxun Radio Security Door Supervisor 2pin Specifically designed for demanding tasks in paintball / airsoft setting. It is also widely used in discreet communications. Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles. With the best-quality transparent acoustic tube that could hardly be detected by people around you, this is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. Compatible with: * Kenwood TK-2000/3000, TK-2160/3160, TK-2170/3170, TK-208/308, TH-K4/K4E, TH-K40/K40E TH-D7/D7E, TH-G71/G71E, TH-21, TH31BT, TH41AT, TH41BT, TH-215, TH-225, TH-235, TH-235A, TH-235E, TH-315, TH-415.* Hytera Radio: TC-268, TC-268S, TC-270, TC-270S.* WEIERWEI Radio: VEV-3288S, VEV-6288, VEV-3288.* QUANSHENG Radio: TG-K4AT, TG-2AT, TG-45AT * BaoFeng Radio: UV-5R ,BF-666S, BF-777S, BF-888S