Insten 3.5mm Audio Jack Airplane Earphone Headphone Headset Adapter Coverter, Black With this adapter you can use your own 3.5mm audio jack headphone to enjoy in-flight entertainment stereo. Color: Black. Connector A: Dual socket headphone audio jack Male. Connector B: Standard 3.5mm (1/8 inch) audio jack Female. Gold plated for quality sound transfer. Easy installation, just plug and use. Replace the low quality headphone supplied by airplane with your headphone by using this adapter