Bluetooth connectivity was great when I only had to use it a few times. The connection in the charging port was broken after 5 uses and plugged in. I wasn't aggressive by pocketing it. Disassembled it and saw how weak that PCB connection was. I tried super glue, didn't work. 25 euros in the trash. (Of course after battery disposal π) Crap, somehow I found the thing good for quiet music.
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