Ok, I found out now that the feature is called "multi-streaming". "Multi-Stream Audio will enable the transmission of multiple, independent, synchronized audio

Ok, I found out now that the feature is called "multi-streaming". "Multi-Stream Audio will enable the transmission of multiple, independent, synchronized audio streams between an audio source device, such as a smartphone, and one or more audio sink devices" https://www.bluetooth.com/learn-about-bluetooth/feature-enhancements/le-audio/ https://www.bluetooth.com/learn-about-bluetooth/feature-enha...