SUNDELY Military Grade Tactical Throat Mic Headset/Earpiece with BIG Finger PTT For Cobra Radio Walkie Talkie 1-pin Military Grade Tactical Throat Mic Headset/Earpiece with BIG Finger PTT For Cobra Radio Walkie Talkie 1-pin jack, Finger PTT, 1 spare earbud included MT100, MT115, MT200, MT250, MT300, MT525, MT550, MT600, MT615, MT650, MT750, MT800, MT850, MT975, PR237, PR240, PR245, PR260, PR350, PR375, PR385, PR550, PR560, PR580, PR590, PR650, PR3000, PR3100, PR3175, PR3180, PR3500, PR3550, PR3575, PR4000, PR4200, PR4250, PR4300, PR4700, PR4750, PR5060 Li-3900, Li-4900, Li-5600, Li-6000, Li-6500, Li-6700, Li-7000, Li-7020, Li-7200, Li-7500, CX80, CX105, CX105C, CX107, CX110, CX312, CXT85, CXT88, CXT90, CXT94, CXT95, CXT125, CXT135, CXT145, CXT175, CXT225, CXT227, CXT235, CXT237, CXT275, CXT280, CXT345, CXT400, CXT420, CXT425, CXT450, CXT545, CXR700, CXR725, CXR750, CXR800, CXR825, CXR850, CXR875, CXR900, CXR920, CXR925, CXR950 CTW135P, CTW285P DC, FRS132, FRS237, MRHH100, MRHH200, MRHH330