It is a stereo-audio type headphone connector that can provide you the optimum sound quality.
A heat shrinkable tube and a spring are provided in the solder connector.
You can use this soldering jack to make any 3.5mm 3 pole connector cable by yourself, and then you can repair your headphones.
Size: 3.5mm 3 poles
Type: stereo audio
Total length: 4.2cm
10 x headphone audio solder connectors