If you purchased a single replacement earbud and need to re-pair it with your original earbud, follow these steps:

1. Place the new earbud and the original earbud into the charging case together, and keep the charging case lid open.

2. Press and hold the charging case button for more than 10 seconds until the indicator light slowly flashes red three times. This confirms that the earbuds have been successfully re-paired as a set.

3. Once pairing is complete, we recommend opening the soundcore app and updating the earbud firmware to the latest version for the best experience.

If you encounter any other issues or your issue has not been resolved, please contact us for further assistance.