Kmise A7290 1 Piece Metal Stereo Male 1/8 3.5mm to 6.35mm 1/4/" Female Jack Plug Audio Connector Make Female connection with 3.5mm Adapters. Adapts 3.5mm stereo plug to 6.3mm 1/4in) stereo jack. Ideal when you need to adapt 6.3mm 1/4in) headphones stereo plug to 3.5mm stereo jack from sound cards, MP3 players, portable CD players, etc.