FEATURES:<br/> Convert audio jack from airplane dual socket to a standard 3.5 mm (1/8 inch) audio jack.<br/>Golden plated connectors,reduce interference,ensure high audio quality & extend using lifespan.<br/> This adapter help you use your own 3.5 mm audio jack headphone to enjoy airplane radio, movies and etc.<br/> 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. <br/>WARM TIPS: <br/>1.The Original Function of this Adapter is to use your headphone with 2-AUX Ports of Airplane airplane seat. It CANNOT Support walkie talkie or other 3.5mm audio Devices!<br/>2. Some new airplane types are able to accept the standard headphone plug directly, no need for the adapter. There is a rarely applied 3-prong jack that doesn't fit the adapter. The airline adapter is convenient for you in the most case. <br/>WAHT YOU GET: 4 * 3.5mm Airplane Audio Jack Adapters (comes with retail WARMSTOR bag,easy to carry:)