ITEM NAME:3.5mm TRS Audio Female Jack Solder Connector 3 Pole Stereo Headphone Plug K1B Product Description Description: Feature: Metal assembly, multiple use, interface gold plating treatment. DIY welding various audio extension wires, earphone extension wires. Auto AUX audio lines and so on can be connected by soldering. Specification: Product Quantity: 1pc Product color: Black Interface type: 3.5mm TRS welding female base Product size: 36mm*10mm/1.41*0.39'' Material: The shell is made of aluminium alloy, and the contact point is treated by gold plating. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 X 3.5mm TRS Audio Female Jack Solder Connector.Included: 1 X 3.5mm TRS Audio Female Jack Solder Connector. Interface type: 3.5mm TRS welding female base. DIY welding various audio extension wires, earphone extension wires. Auto AUX audio lines and so on can be connected by soldering.