SiYear 3-Pole 3.5mm Stereo Headphone Jack Male Plug Repair Replacement Solder Adapter, 3.5mm (1/8inch) Solder Type DIY Audio Cable Connector(2PACK)3. 5mm male plug headphone audio connector, soldering typePure 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 application that require TRS Plug like cellphones Suitable for the cable up to 6mm, if your cable is too thin, just use some sleeve to hold it properly to avoid the movement Easy to handle,you