SPM-2300 Series 2-Wire Lapel Mic Kit with QD® (Quick Disconnect) Radio Adapter. Push-pull mechanism locks the Cable to the Radio Adapter but is also easy to release. The SPM-2300 Kit Includes Bud and Semi-custom Ear Mold.
Fits HYT models: TC-268, TC-268S, TC-270, TC-368, TC-368S, TC-370
For Kenwood radios with 2-pin connector on the side.
For RELM radios with 2-pin connector on the side including: RPU416, RPU4200, RPU499, RPV4200, RPV516, RPV599X (This connector is the same as popular KENWOOD 2-pin model)