1. Interface type: 3.5mm soldering base. 2. Product size: 36x10mm. 3. Material: The outer casing is made of aluminum alloy and the contact points are gold-plated. 4. It is assembled by metal, used many times, and the interface is gold-plated. 5. Product use: DIY welding various audio extension cords, headphone extension cords, automotive AUX audio cables, etc., connected by soldering.
