Hello, Apple 12 mobile phone, wireless charging must use a magnetic case.
Because :iPhone 11, 12, 13 all support the use of third-party wireless charging pad that supports the Qi protocol for charging.
The iPhone 12 and 13 support the MagSafe accessory, which magnetically absorbs the effect. The iPhone 11 can use the MagSafe charger as a wireless charging pad, but it can't magnetically adsorb
This is not needed, you can use an ordinary wireless charger, magnetic charger can also be used without a mobile phone case