KOKKIA AirConnect_aptX : Airplane in-flight Bluetooth Transmitter with aptX, lets you untether from seats,freely enjoy airplane?s audio in cabin,along aisles or in restrooms. Compatible with AirPods. - Walmart.com
Gold Plated Airplane Flight Headphone Adapters (Pack of 2) | Allows you to use your Earphones with all In-Flight Media Systems | This Airline Plane Headset Converter Enables Great Sound on all Planes
How to Use Your Own Headphones for In-Flight Entertainment - Make Tech Easier
RHA Introduces Bluetooth 5 Universal Wireless Flight Adapter | audioXpress