With completely wireless earbuds, the rule is: when the battery fails, they have to be disposed of. Not so with the Fairbuds, that allow you to replace batteries in just a few seconds. Combined with a repairable design, the earbuds should therefore have an extremely long lifetime.
A follow-up video “Why I was wrong about fairphone” by Louis Rossmann: https://www.youtube.com/watch?v=EAogtqyN22M
Still critical of lack of audio jack but praises FairPhone for including list of all components and board view of where each part is located and a complete schematic. In comparison to other phones manufacturers that’s night and day of repair-ability.