These XR glasses gave me three virtual MacBook screens to work with - and they're 20% off for Prime Day
Briefly

The glasses use a standard USB-C connector, fully support SpaceWalker, and provide a superb gaming and media experience.
There are some tradeoffs that come with the lower price, including no dimmable electrochomic lens, slightly reduced virtual display size, lower refresh rate, and reduced brightness.
Read at ZDNET
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