What do the colours on the charging case mean?

Charging: red light steady on
Fully charged: white light steady on
Pairing: white light flashing

Battery status:
Battery drained: no light
Battery <30%: red light on for 3 seconds
Battery ≥30%: white light on for 3 seconds

Factory reset: open the charging case lid, press and hold the charging case button for 10 seconds. The red light will flash 3 times to indicate a successful reset.
Note: If your earbuds support the recording function, please ensure data is synced to the App to prevent data loss.