1. Check if there is any dirt inside the charging pin of the earbuds and the pogo pin on the charging case.
2. Gently shake the charging case to ensure that the earphone charging pins and the pogo pins on the charging case make full contact, then check if charging restores to normal.
3. Place the earphone in the charging case and connect to the charger for 10 minutes to see if it recovers.
4. Open the case, long-press the function button for 10 seconds, wait until the indicator LED is on, and search again.
