Retevis Walkie Talkie Earpiece Boom Mic 2 Pin Overhead Headphone with VOX PTT Headset Microphone for Baofeng UV-5R BF-888S Retevis H-777 RT22 RT21 Two Way Radio (1 Pack)

* Noise cancelling headphones with boom mic for most walkie talkies; it could block out the noise to provide you clear loud sound * You will keep transmit when the headset is in VOX mode; you can transmit to your teammates by voice or push PTT button which depends on the radio mode * The walkie talkie headphone headband is flexible and can be adjusted according to your head; soft sponge earphone with 270 degree rotatable microphone for fairly comfortable wearing * Two way radio headset with strong durable PU for long term use * 2 Pin K head; former pin diameter of 3.5 mm and 2.5 mm in diameter after pin; work for Retevis H-777 RT21 RT22 RT-5R RT17 RT18 RT19 RT27 Baofeng UV-5R series BF-888S Arcshell AR-5 Kenwood and more