Charging status: Red light stays on
Fully charged status: White light stays on
Pairing status: White light blinks
Battery level status:
Battery depleted: No light
Battery level <30%: Red light stays on for 3 seconds
Battery level ≥30%: White light stays on for 3 seconds
Factory reset: Take the earbuds out of the charging case, wear them with both ears, and press and hold both ears at the same time for 10 seconds until the prompt for restoring factory settings appears