[Dayshine]

A phone has 10-20x if not more weight of electronics.

I assume you will use your phone for 20-40 years?

[Timon3]

The ring can record for 12-15 hours before it's empty. I'd guess it's incredibly rare that people throw away their phone before reaching 15h * 20 = 12.5 days of active screen time.

[benrutter]

Of course!