SUNDELY G-Shape Ear Clip Headset/Earpiece Mic For HYT (Hytera) Radios Walkie Talkie TC-300 TC-500 TC-600 TC-700 TC-1600 HYT850 HYT2100 2-pin G-Shape Headset/Earpiece Mic For HYT (Hytera) Radios Walkie Talkie Hidden microphone inside PTT button, 2-pin Jack TC-300, TC-446S, TC-500, TC-505, TC-508, TC-518, TC-580 TC-600, TC-610, TC-618, TC-620, TC-626, TC-700, TC-700ExPLUS, TC-900 TC-1600, TC-2100, TC-2110, TC-3000, TC-3600, HYT850, HYT2100