You demand optimal sound quality with these extra high quality gold-plated connectors, use your own top-quality and comfortable headphones to listen to in-flight music and movies etc. The difference in sound, noise reduction and comfort will be very appreciated. These adapters are portable and convenient when you're traveling in a plane, Also compatible with most devices with standard dual or single output 3.5 mm audio headphone jack plugs. Golden plated connectors,reduce interference,ensure high audio quality & extend using life Easy to install, plug the adapter to the armrest of the aeroplane seat, then you can plug your own headphone to the adapter, enjoying the in-flight entertainment system