Amazon.com: ZRM&E 2-Pack 3.5mm Airplane Headphone Audio Adapter Gold-Plated Stereo AUX Jack 2 Male to 1 Female F Splitter Airline Audio Converter : Electronics
How to Use Your Own Headphones for In-Flight Entertainment - Make Tech Easier
Best Buy: TYLT Airplane Headphone adapter Orange N-FLIGHT
AirFly Bluetooth Headphone Adapter—This TikTok-Famous Gadget Can Connect Your AirPods to the Airplane TV