3.5mm Stereo Plug Male to Femail 6.35mm (1/4 Inch) Stereo Jack Adapter 3. 5mm Stereo Plug (male) to 6. 35mm (1/4 Inch) Stereo Jack (female) Adaptor. It is a reliable and efficient product for you. Connector 1: 3.5mm Stereo Plug.