3.5mm stereo 4 pole male plug to bare wire replacement audio cable.<br><b>Wiring diagram</b>: PIN 1 - red wire; PIN 2 - white wire; PIN 3 - green wire; PIN 4 - black wire.<br><b>OMTP standard</b>: PIN1 - Left channel; PIN 2 - Right channel; PIN 3 - Microphone; PIN 4 - Ground.<br><b>CTIA standard</b>: PIN1 - Left channel; PIN 2 - Right channel; PIN 3 - Ground; PIN 4 - Microphone.<br>Perfect replacement 3.5mm male plug connector to bare wire audio cable for worn-out or broken headphone headset earphone microphone speakers cable repair.<br>Easy to handle, you really don't have to be a professional to do this. Connect the corresponding bare wires together, wrap and seal the bare wire with insulating tapes.<br>Package contents: 2-Pack 12 inch 3.5mm stereo 4 pole male plug connector replacement audio cable.