HTC’s standalone VR is available in the US, starts at $599
It's only for enterprise customers for now, however.
Flying with a VR headset isn't as dorky as it sounds
HTC's Vive Focus makes a strong case for in-flight VR entertainment.
Pico's standalone 6DoF VR headset is compatible with Vive Wave
It's basically a lower-end Vive Focus but with 6DoF controller option.
HTC's standalone Vive Focus launches in China for $600
There's also a new white option for this standalone VR headset.
HTC Vive Focus hands-on: a promising start for next-gen mobile VR
It's ultimately down to the quality of the apps.
HTC Vive Focus is a standalone VR headset with ‘world-scale’ tracking
No PC nor base stations required for this 6DoF VR device.