The best part is that ... TP-Link NFC-Enabled Bluetooth 4.1 Music Receiver, Wireless Audio Adapter Streaming Music from Echo Smart Phone Tablet PC to Home Car Stereo Sound System (HA100) The ...

With my current best headphones ... your Bluetooth headphone adapter? The AirFly Pro is pricier, but its ability to stream audio from a phone to another system, such as in and older car or wired ...

The hack is straightforward, with [Jim] grabbing a Bluetooth-to-cassette adapter off the shelf. These simply take in audio over Bluetooth, and pipe the analog audio out to a magnetic head ...