Retevis Walkie Talkies Throat Mic Earpiece with Mic 2 Pin, Compatible with Retevis RT22 RT21 H-777 RT68 RT19 BAOFENG UV-5R pxton Walkie Talkies, Covert Acoustic Tube Two Way Radio Headset (1 Pack)

* Throat mic transmits directly from your throat vibration; so it can transmit your voice clearly even in a noisy environment * Elastic band design; you can adjust it according to your neck; the right size allows you to wear it for a long time * Sensitive finger PTT(push to talk); it allows you to easily control your conversations and provides you totally hands-free calls * The transparent tube connecting the ear bud provides you private and clear communications * K head 2 pin; compatible with Retevis H-777 RT21 RT22 RT-5R RT17 RT18 RT19 RT27 Baofeng UV-5R series BF-F8HP BF-888S Arcshell AR-5 Kenwood two way radio and more