Yes, the 24-bit/96 kHz Hi-Fi sound works with the Galaxy S23. The Galaxy S23 is one of the compatible devices that support the SSC-UHQ option (Samsung Seamless Codec Ultra High Quality).

The same principle applies to this generation as to previous generations of Galaxy Buds: 1. there is no provision for manual "switching off" without a charging case. 2. they are only really switched off when they are in the charging case and the contacts are connected. Samsung also only describes two states: 1. active / connected 2. in case → disconnected and charged Behaviour outside the case If the buds are not in the case: 1. they remain switched on. 2. if no connection is used, they go into an energy-saving standby mode. 3. the battery continues to discharge slowly until they are empty. This is generally the case with Galaxy Buds models - there is no dedicated power-off command or touch gesture to switch them off. I hope I was able to answer the question comprehensively enough.