abcGoodefg Throat Vibration Mic Covert Acoustic Tube Earpiece Headset with Finger PTT for MOTOROLA HT1000 XTS5000 PR1500 MT6000 MTX-LS MTX1000 GP900 GP1200 JT1000 MT2100 MTX838 MTS2000 Two Way Radio The microphone transmits directly from your throat, so it is not sensitive to the background noise. With the best-quality transparent acoustic tube that could hardly be detected by people around you, and protect your health from radio electromagnetic wave radiation. Finger PTT, 1 spare earbud included, Multi-pin model, Compatible with GP900, GP1200, GP9000, MTX838, MTX8000, MTX9000 MTX-LS, MTX- B5, MTX-B7, XTS1500, XTS2500, XTS3000, XTS3500, XTS5000, XTS5000R, XTS5100, XTS7700, HT1000, HT2000, JT1000, PR1500, MT1500, MT2000, MTS2000, ASTRO, EFJohnson: 51SL, 5000, 5100, 7700 SERIES, 511X, 512X, 518X. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles. And it is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications. The throat mic could be easily hidden under the collars too. Specifically designed for demanding tasks in paintball / airsoft setting. It is also widely used in discreet communications.