This Bluetooth audio transmitter comes in at $79 ... means you can pair the Aluratek ABC01F Bluetooth Audio Receiver with stereo connections, perfect for those with full AV-receiver setups ...

A Bluetooth transmitter lets you play music from your devices in an older car, and usually adds USB charging, too. Pho ...

The UGREEN Bluetooth Transmitter and Receiver will modernize any old device with a 3.5mm audio input or output. It's on sale for just $14.99!

This 2-in-1 Bluetooth transmitter and receiver adds wireless connectivity to non-Bluetooth devices, making it easy to stream ...

TL;DR: The EVE II Bluetooth Transmitter & Receiver delivers up to 20 hours of seamless audio, dual-device pairing, and Bluetooth 5.3 tech for just $49.99 (reg. $59). Isn’t it a shame that all those ...

In this project [Ryan] shows how he added Bluetooth audio to the stock stereo of his Toyota Matrix. The work he did with his add-on hardware is quite good. And the installation was surprisingly easy.

or you might want to go with Bluetooth audio if your smartphone no longer has a headphone port. Whichever way you go, the process of modifying the stereo is largely the same. To achieve your goal ...