The Redmi Buds 3 Pro sound is out of sync.

If the sound of the left and right earphones of the Redmi Buds 3 Pro is out of sync, please refer to the following troubleshooting steps:
1. Check if there are any firmware updates available for your earphones. Updating the firmware can sometimes resolve issues related to sound quality and performance;
2. It may be because the battery of the mobile phone or earphones is insufficient, please fully charge it before observing; 
3. Please reconnect the earphones. Put the earphones back into the charging box, close the charging box, open it, and take the earphones out. Test whether the sound of the left and right earphones are synchronized;
4. Ensure that the earphones are properly connected to your device via Bluetooth. Sometimes, intermittent connectivity issues can cause sound to be out of sync;
5. Test the earphones with different audio sources (music, videos, calls) to determine if the issue persists across different applications or content;
6. Reset the earphones, delete the connection record of the earphones in the device, and restart the device before pairing.
If the above troubleshooting methods can’t resolve the issue, please contact our local official service center or your seller for further assistance. They will help you in this regard.