Airplane stereo headphone adaptor 3.5MM stereo plug to 2x3.5MM stereo jack. Convert a standard dual airplane socket into a 3.5MM stereo socket. Use your personal stereo headphones to fully enjoy the in-flight entertainment system.Convert a standard dual airplane socket into a 3.5MM stereo socket.3.5MM stereo plug to 2x3.5MM stereo jack.RoSH