JNTworld 2 Sets (Travel & Home Adapter) Golden Plated Airline Airplane Flight Adapter Adaptor 3.5mm to 3.5mm Stereo Socket Travelling Plug and 3.5mm to 6.5mm Audio Jack flight adapter to 3.5mm jack*2 3.5mm to 6.5 mm home hi-fi adapter*2 better contact is due to golden plated