They talked about multi-lens configuration in the patient file "Double Optical System for Head-Mounted Display" that they will be much more lighter than previous patients. They also said that it would give relief to users and they can use it for a long time.
If we talk about another news, a US citizen from Florida said that its iPhone airpod get fire and on another part of the country, when a girl was listening song using airpod, suddenly she felt different in her ears.
According to the victim, he said that he couldn't see when it explode but he said you could see the damage caused by the fire.
Although the cause of the incident has not been known yet, Apple says it is investigating. In particular, this is not the first time that an explosion incident occurred in a great device. Around more than dozen issue was coming regarding Airpod issue.