How to solder headphones (3 pins, 4 wires)?

Question

Do it yourself

The plug is broken. Headphones without microphone, 3-pin plug.
Wire colors: blue, copper, red-green, green.

Answer 1

On the plug, the end is the left channel, the middle ring is the right channel, the outer one is the ground.
And the wires already see for yourself which headphones they go to, usually green to the left, red to the right, yellow or blue - the ground, but in Chinese headphones the colors may not match.

Answer 2

pinouts.ru
https://www.google.ru/search?q=headphones+color+wires

Answer 3

https://goo.gl/images/Tbnxjx
To solder like this: smear the wire with flux, take a drop of solder on the soldering iron, press the wire to the surface with the tip of the soldering iron and hold for 5-10 seconds until it gets tinny.

Answer 4

two of these wires to the common jack connector (to ground)
two to different channels the
easiest way to determine what to connect and listen to