On the wire they work only as headphones, although they could make a headset out of them - there are microphones. The sound over the wire is different from the sound over Bluetooth, this is logical, but a little unpleasant. I advise you not to go to LDAC, and consider whether you can really distinguish the sound from aptX, AAC or SBC. I also advise you not to be fooled by a show-off with a sensor and first “feel” and check the convenience.
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