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.
Theoretically, yes. Practically, bluetooth has been way funkier than cable ever has for me. It drops, loses packets, and sometimes tries to catch up on whatever shit it was doing to suddenly have the audio sound like it’s fast forwarding. My ears aren’t the best, but that’s the kind of shit I do hear. Membranes can’t protect you from that.
Anti Commercial AI thingy
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I’m not a bluetooth absolutist, but I think is depends on the bluetooth transmitter in your phone (or laptop or other).
My phone, a 7 year old low end phone has multiple times better signal strength than the only dongle I could find for my PC. That fast forward like things is also the quirk of a specific bt adapter, I think, or maybe the OS, but I haven’t noticed such a thing to happen, even though I have experienced too audio drops from me being too far away.