Airpods pro - Box serial number and case serial number is different

At a guess it means that you've got an item that was brought back by a previous customer as faulty, but you'll have to ask Apple to be sure.

tt2

Seems like there is something wrong there then. 🤨

Can it be returned to the retailer and exchanged?

tt2

Where did you buy it, and did you pay less than the retail price?

tt2

I found the same. What it means?