The Pro model has electromagnetic dimming, which allows it to change the transparency of the glass - from fully transparent to fully opaque.
Xreal Air 2 AR glasses first major launch for rebranded Nreal - Dexerto
XReal Air 2 Ultra Review: An Apple Vision Pro Competitor? - XR Today
I demoed Xreal's AR glasses for spatial computing and they're better than I expected
Xreal Air 2 Pro Review
XReal Air 2 Review
XREAL Air 2 Pro First Impressions
XReal Air 2 Pro: A Leap Forward in Consumer Grade AR Glasses Technology - Men's Journal Tech Trends: Stay Ahead with Tech News, Rumors & Deals
Xreal Air 2 Ultra hands-on at CES 2024: Next-gen AR glasses in need of killer apps
Rokid Max AR Glasses for Sale - Immerse Yourself in Augmented Reality - Rokid
My quick impressions of the Xreal Air 2. (OK kinda' lengthy) : r/Xreal
Xreal Air 2 review: a step up from good AR glasses to excellent - PhoneArena
Xreal Air 2 Pro Review - Video - CNET