Looks like a decent headset, similar to Rift S but higher res. They said something about ‘transcending the pc’ and showed slides of a smartphone next to the hmd too, but have been real cagey about what that means.
There’s a recent hands-on here:
Looks like the controllers use active lighting, take two AA batteries each, and only last a couple hours.
It’s also really expensive. Pricing has been revealed here and it’s twice as much as the Oculus.