During the use of the Redmi Buds 6 Lite, it is necessary to maintain binaural audio synchronization. When there is relatively more surrounding interference, the earbuds will experience a situation where the audio link cannot be synchronized, resulting in silence.
When there is a silent issue, you can try putting the earbuds back into the charging case and closing the lid. Wait for 60 seconds before opening the case and reconnecting to the phone. After the Bluetooth connection, check whether the music has resumed playing. In addition, you can reset the Redmi Buds 6 Lite and try again.
Note:
Please confirm that the [Media audio] option is turned on: Go to [Settings] >> [Bluetooth] >> [Redmi Buds 6 Lite] >> [Media audio].