Durable PTT button allows push for hands-free calling; sensitively captures clear and loud sound for transmissionDescription:This is a Throat Microphone Headset that has an extendable Neck Band.It transmits sound directly from your throat. So it can eliminate most background noise whether in the battle field or at the job site. A must-have device.acoustic tube and ear-bud, it transmits sound clearly and your communication will be covert.Can be applied on the following radio models:fit For Baofeng UV-9R, UV-9R Plus, BF-A58, BF-9700, UV-5S, GT-3WP, UV-XR.Package includes:1 x Throat Microphone Earpiece Headset