After any mobile phone headphone charging case is full, the light will show green, which can play a role as a reminder.
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When the light outside the earphone case is steady green, it indicates that the charging case is charging (the battery capacity is ≥ 90%). When the light inside the case is green after the cover is on for 10 seconds, it indicates that the battery capacity of the earphone is sufficient (≥ 60%). You can not directly determine whether it is fully charged through the indicator light, you can check the electricity through the smart life APP