Yeah, it's a scam, don't enter your details there, no-one can sell for those prices and they're probably after your bank details.
If buying new, buy from an authorised retailer, which are listed on the Oculus website for each country.
Go to the official Quest 2 website https://www.oculus.com/quest-2/
near the bottom of the page, select the 'find a retailer' link and then choose a country.
(I've deleted the link from your original post to avoid anyone being tempted to go there!)
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