[SpainAmbassador]

Update: I received the package.

I contacted Amazon.es via chat. Told them that I opened the package and the headphones were missing. They asked me if the package was damaged, I said it wasn't.
So they said that they had to transfer my case to a specialized department, and that they would contact me via email in a timeframe of 48 hours.

I closed the chat and tried again with a different rep, but got the same response. I don't think the reps are allowed to click the refund button in this situation.

So I guess I gotta wait until I get this email.

I didn't open the headphones in case I need to return them.

I'll update whenever I receive anything from Amazon.es

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Just don't get greedy, wait at least a month after your last SE before attempting another one, even if it's a different country's AMZ they can still cross-check accounts

Yeah! I'm not in a hurry. And I'll do a couple legit orders in the meantime to be safe.