Retevis 2 Pin Throat Mic Covert Acoustic Tube Earpiece with PTT Compatible Kenwood Radios Baofeng UV-5R BF-888S Retevis H-777 RT22 RT21 RT7 RT27 TYT Walkie Talkies (1 Pack) 2 pin Throat Mic Microphone Acoustic Tube Covert Earpiece Earphone Headset Finger PTT for Security Door Supervisor; Kenwood standard 2 Pin plug Smart Design; Throat mic hidden under the collars provides private communicates; that transmit the sound by vibration; not by the mic; Excellent use in noise environment; Such as military; paintball; riding;security; police; bouncer;warehouse High Quality Acoustic Tube; The transparent acoustic tube offer superior sound quality and noise cancellation even in noise environment Application; Great for paintball airsoft setting usage; and its also good for some surveillance purposes and security at airports; casinos; crowd control at conventions etc Simple and Convenient return process; 60 days warranty provide by us and 30 days no reason to return