These are much stronger as wearable display glasses than as true AR hardware. The lack of screen anchoring and richer spatial interaction repeatedly limits the augmented-reality experience.
Pros: offline functionality, cloud dependency
Cons: tracking stability, power efficiency
These are best understood as a tethered wearable display, not true spatial AR. The lack of world-aware overlays, 3DoF/6DoF anchoring, and standalone computing is a recurring limitation for buyers expecting...
Pros: heads-up display, charging method
Cons: low-light visibility, Bluetooth connectivity