Wireless chargers can be used in normal times, but you need to ensure that the device supports wireless charging function, and there are no metal objects near the charger, otherwise it may affect the charging effect. In addition, in order to protect the device and safety, it is recommended to turn off the power of the device while charging. When using wireless chargers, care should also be taken to avoid overheating and damaging the device.
It doesn't matter if it's on or off. Radio charging works the same way as a transformer, using electromagnetic induction technology, so it can be on, but it's just a waste of electricity, right