Nope, for latency and battery reasons this would be done by a specific chip, e.g. https://www.icstation.com/audio-module-bluetooth-compatible-receiver-universal

Nope, for latency and battery reasons this would be done by a specific chip, e.g. https://www.icstation.com/audio-module-bluetooth-compatible-receiver-universal-audio-module-p-12506.html https://www.icstation.com/audio-module-bluetooth-compatible-... / https://www.tinyosshop.com/ts8670 https://www.tinyosshop.com/ts8670 The same's true on the smartphone transmitter side.