After a normal connection to one phone, a hard reset is needed to connect to another. This is not a negative, but rather a turnaround. Does not apply to NFC. On my xiaomi, the poweramp player saved the situation a little with the sound. In sound settings-audio output-java output reduced the buffer. There seems to be less cod. You still need to experiment, but it's better to change the firmware. There were no such problems with the Xiaomi DSSLDC3.5Ai receiver.
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