TL;DR: Utilize in-flight entertainment with AirPods on the plane with this Bluetooth transmitter on sale for $34.97 (reg. $49 ...
Then, an FM transmitter might do the job, as every car stereo has an FM antenna built-in. The Nulaxy Bluetooth Car FM ...
Portronics AUTO 10 POR-320, Bluetooth - FM Transmitter in-Car Radio Adapter for Hands-Free Calling, Music Streaming, Micro SD + USB Music, 3.4A Dual USB Fast Charger, Supports All Smartphones ...
IoT products company Shenzhen Feasycom has released a USB-based Bluetooth transmitter that enables older televisions, PCs, or any sound source to stream hi-fidelity LE Audio to any compatible end ...