Labor Day deal : Labor Day weekend means new deals and the Anker Nebula Mars 3 Air is back down to just $470 on Amazon right now. That's a 22% discount which represents savings of $130. The price is likely to go back up after the weekend, though, so now is the time to buy.

CNET's key takeaways

Anker's Nebula Mars 3 Air is a compact portable projector with a reasonable $599 price (and currently on sale for $470 ).

Despite its size, it delivers a bright picture and loud audio for a portable projector. It can even double as a Bluetooth speaker.

Its size is great for backyard movie nights or car camping, but might be a little large for backpackers.

I recently took an epic road trip through a land of giants, and there's only one compact projector I would take with me to complete

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