Helmet Headset For Baofeng / QuanSheng / HYT / TYT / Puxing (2-pins 12mm apart) Noise canceling microphone for full or open face helmet. Heavy duty rugged remote handle bar PTT (designed for glove usage) Changeable headset kit with single 3.5mm pin connector Changeable radio or smartphone connector Secure weatherproof Mini-din type connector for remote linkage