ITEM NAME:5pcs 3.5mm TRS Audio Female Jack Solder Connector 3 Pole Stereo Adapters #gib Store Home Promotion Hot Item Add to Fav.Interface type: 3.5mm TRS welding female base. Product Quantity: 5pcs. 5 X 3.5mm TRS Audio Female Jack Solder Connectors. DIY welding various audio extension wires, earphone extension wires. Auto AUX audio lines and so on can be connected by soldering.