The earphone connects to the PTT switch in which the microphone is hidden. The second wire extends from the PTT switch to the plug that connects to the two-way radio headphone jack.
For two-way radio beginners, please don't put the earphone into or out of the radio when it is functioning.
Two wires extend from PTT switch, one to the earphone and the other to the plug that connects to the headphone jack of two-way radio;
Fit for Model
||JT-208 JT-308 JT-2118 JT-3118
||KG-2118 KG-3118 KG-208 KG-308
||KG-528 KG-628 KG-2118 KG-3118 KG-2288 KG-3288
||TG-5A, TG-Q5, TG5AU-PLUS
1 x 2 wire Earphone with PTT switch