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.
Nowadays there is an earbuds with USB C wireless adapter like Anker Soundcore P10 or JBL Quantum. that is good and no pairing