Bluetooth Audio Adapter: Besign BE-RCA could turn your wired ... Wide compatibility: Use it with any powered PC speakers, home stereo systems and A/V Receivers via RCA or 3.5mm Aux jacks.
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 ...
【2-IN-1 BLUETOOTH TRANSMITTER RECEIVER】 In TX mode, plug the Bluetooth transmitter into non-Bluetooth devices such as TV/PC/MP3/Airplane to transmit the audio to the Bluetooth headphone ...