The car inverter voltage will power your 220 volt electronic devices. USB charging is also avaliable.
It's a good solution provided you are going to play several days non-stop.
Cigarette lighter connection EU socket and USB spport.
The device is also well protected from overheating, low/high voltage.
The working power of the connected device shouldn't exceed 150 watts.
If several devices are connected, their summary working power shouldn't exceed 150 watts.
Otherwise, it is possible to damage car electronics.