Retevis 2 Pin Throat Mic Flexible Covert Acoustic Tube Headset Earpiece with Finger PTT Compatible Baofeng UV-5R BF-888S Retevis H-777 RT27 RT22 H-777S RT7 RT-5R Kenwood Two Way Radio (1 Pack) Flexible throat mic can be adjusted the size depends on your neck; Its comfortable and tight for day wearing Finger PTT allow you easy to control and convenient use for indoor or outdoor sports; it provides you totally handsfree calls Throat mic transmits directly from your throat vibration; so its not sensitive to the background noise The clear covert tube provides you private communications; ear buds with noise cancelling makes the audio clear and loud; Ideal for usage in discreet communications Simple and Convenient return process; 60 days warranty and 30 days no reason to return