Does anyone know what MacBook is that?
The only MacBook models that hid the IO ports behind a door was the 1st gen MacBook Air design:

MacBookAir1,1, aka MacBook Air (original) (2008, no longer listed on Apple's site)
MacBookAir2,1, aka MacBook Air (Mid 2009) (tech specs)



https://www.macstories.net/mac/the-macbook-air-a-decades-worth-of-legacy/

In 2010, the ports were moved to the side of the laptop:


https://www.trustedreviews.com/reviews/macbook-air-13in-late-2010