AirPods Pro

Did you purchase them directly from Apple or an Apple Authorized Reseller, then they would be an original pair. If not, then there is a possibility that they are fake.

Ref: Identify your AirPods - Apple Support

You can also enter their serial number here: Check Your Service and Support Coverage - Apple Support

Ref: Find the serial number of your AirPods - Apple Support

Then try entering their serial number into the link that I provided you.