To solve the issue, please refer to the following methods:
1. Ensure the phone and earbuds have sufficient battery;
2. Minimize distance and obstacles between the phone and earbuds;
3. Try using the earbuds in a different environment to avoid interference;
4. Try connecting to another device;
5. After deleting the pairing records from the device, place the earbuds into the charging case and close the lid. Then press and hold the case button for 10 seconds until the indicator blinks slowly three times. This action will reset the earbuds. After resetting, attempt to pair the earbuds with your device again;
6. If all these steps don’t work, please contact customer support for assistance.