NAUZER PIN-30K. Micro-earphone earpiece PTT / VOX, black curly. With selection switch for PTT or VOX. High Quality. For KENWOOD TK-3101, TK-3201, TH-K2, TH-K2ET, TH-K4, TH-F7, UBZ-LJ8, ??FUNKEY, TH-22, THG-71 TH-D7, etc. more Manufacturer: nauzer Reference PIN30K