It can be used together. Wireless fast charge and direct charge are two different charging methods, wireless fast charge transmits electricity to the phone through electromagnetic induction, while direct charge is charged by connecting the phone and the power supply through the charging line. The two charging methods do not interfere with each other during charging, so they can be used simultaneously. Wireless fast charging can help fast charging, and convenient wireless charging, while direct charging can maintain stable charging for a long time, suitable for long-term use.
No, you can only use one of them alone. It is dangerous to use them simultaneously