Langston earphone wiring1* * is 4 wires, red, blue, gold and green gold flowers. How to connect them? There is a microphone volume button! ! By the Grace of God

According to international practice, the first section of the plug is the left channel of the speaker, which is connected with the blue line; The right channel of the second speaker is connected with the red line; The third section is the male * * * ground wire, which is connected with the yellow wire; The fourth part is the microphone, which is connected to the green line.

Another method is to exchange the ground wire and microphone wire.

Of course, the color distinction of each manufacturer is different. You can measure it with a multimeter. If the resistance value is 16-32 ohms, connect the speaker cable; if it is more than several hundred ohms, connect the microphone.