Sad story or wi

Sony was once a prime location for Electronic and HiFi. The headset shows that those days are long gone.
No suitable cable supplied had to be ordered separately. Eight! Manuals, but not in German.
Charging the batteries with sep. Wire to a sep. USB socket. All other manufacturers can through the AC adapter, would also not
Problem in power supply to accommodate a USB port. Volume controls so fiddly that every time you have to take from the head KH to adjust the volume. Moving the head minimal or directed to the headset, because he expresses strong, the transmission is interrupted for more seconds and it crackles. That's not a state. Certainly the KH is a nice decorative item, but it is really too expensive.
So all packed up again and back.