Product Features: High quality headset made with military grade parts Durable and thick cable, designed for tough environment 2 Push-to-talk Buttons (1 big Shoulder PTT and 1 small finger PTT ) for easy and convenient using Flexible & fully adjustable band for comfortable wearing Clear sound expression speaker Sensitive vibration detecting microphone Transparent flexible acoustic sound tube Soft plastic earbud fits snugly to ear 1 spare plastic earbud included Product Description: The Noise Eliminating throat microphone is superior to a noise-cancelling mic , this throat microphone eliminates most background noise whether in the battle field or on the job site. Utilizing dual active throat microphone transponders, sound is absorbed via vibrations from the throat and transferred to the radio which is then converted into recognizable voice frequencies. This headset reduces environmental and mechanical ambient noise significantly over other regular microphone headsets. Compatible Baofeng 2-pin Models: UV-3R PLUS, UV-5R, UV-5RA, UV-5RB, UV-5RC, UV-5RD, UV-5RE UV-B5, UV-82 BF-320, BF-480, BF-490, BF-520, BF-530, BF-568, BF-658, BF-666S, BF-758S, BF-777, BF-777S, BF-888, BF-888S, BF-999, BF-999S BF-H777, BF-V6, BF-V7, BF-V8, BF-V85, C150 More other models, please feel free to contact us for details.