About this item 3.5mm male plug headphone audio connector, soldering type, pure copper gold plated structure. You can use this 3.5mm headphone audio soldering jack to make any 3.5mm cable by yourself. These 3.5mm Stereo TRS 3-Ring Plug Connectors are suitable for audio video applications that require TRS Plug, such as cellphones. Suitable for cables up to 6mm; if your cable is too thin, just use some sleeve to hold it properly to avoid movement. Easy to handle; you don't have to be a professional to do this. Just insert the cables in the hoops, twist and lock in place, and only then solder. Dimensions: 4.61 x 2.8 x 0.51 inches.