Retevis 2 Pin Shoulder Speaker Mic, Waterproof Handheld Speaker Microphone with 3.5mm Audio Jack for Retevis RT22 RT21 RT19 H-777 H-777S RT15 RT22S RT68 RT27 Baofeng UV-5R Arcshell AR-5 (1 Pack)

* Crystal sound; durable PTT and sensitive mic speaker give you a clear voice when you communicate with your teammates * 3.5mm audio jack; you can use headphones through this jack to keep your conversations with your teammates private * IP54 waterproof; you can use this mic even in harsh environment such as rainy weather; forests; wetlands etc * Long and strong cable; the cable is 20.08in/51cm(no stretch) long; it can be stretched to match your height; never worrying about the cable affect your smooth communication * Compatible with Retevis H-777 RT21 RT22 RT-5R RT17 RT18 RT19 RT27 UV-5R series BF-F8HP BF-888S Arcshell AR-5 Kenwood two way radio and more