Why does the Xiaomi 15 heat up when using magnetic charging?

Several factors will make the Xiaomi 15 heat up when using magnetic charging, such as stronger magnetic field, increased power output, heat retention from the magnetic ring, and longer charging times.
If the Xiaomi 15 heats up when using magnetic charging, please refer to the following details:
1. The Xiaomi 15 adopts 30W magnetic charging technology, which has a fast charging speed. The Xiaomi 15 will heat up in the process of charging, which is normal;
2. To relieve the temperature rise of the phone, please reduce the frequency of using the phone during wireless charging;
3. Before leaving the factory, wireless charging has undergone rigorous inspection, so please feel free to use it.