This information applies to:
- moto buds 2 fusion (XT2643-2)
- moto buds 2 plus (XT2641-1)
- moto buds 2 (XT2643-1)
- moto buds loop (XT2545-1)
- moto buds+ (XT2441-1)
- moto buds (XT2443-1)
- moto buds bass (XT2443-1)
The product serial number is located inside the charging case, under the right earbud or on the case hinge.