The 3.5 mm connectors on this cable are designed with a 3 mm long by 6 mm diameter shank between the electrical connection and the connector housing‎.‎ The 3 mm shank length is sufficient to penetrate through the thickness of any protective case‎,‎ while the 6 mm diameter is thin enough to fit into the hole of any case‎.‎ The connectors are gold plated for smooth‎,‎ corrosion‎-free connections‎.‎ his cable has a 3.5 mm stereo male plug on one end and a pair of stereo RCA plugs on the other‎,‎ allowing you to connect your mobile device to your home audio system‎.‎