Xiaomi has secured 3C approval for a new smartphone with dual-band 5G. Furthermore, this device - which comes in 2 variants - has a maximum charging rate of 66 watts. Therefore, it is likely that this product may be a new flagship, or a high-value mid-ranger at least.
https://www.notebookcheck.net/Xiaomi-certifies-a-5G-phone-with-66W-charging.444906.0.html