How does the Xiaomi Robot Vacuum S20+ return to charge?

The steps of the Xiaomi Robot Vacuum S20+ returning to charge are shown below:
1. After cleaning, the robot vacuum will automatically return to the charging dock to charge;
2. In the pause state, press the recharge button to start recharging;
3. You can also manually put the robot vacuum back to the charging dock, with the mop assembly facing the cleaning plate position of the charging dock, and the robot vacuum will automatically dock;
4. When the robot vacuum is charging, the voice “Start charging” will be broadcast, and the power button will flash in a breathing manner, indicating that the robot vacuum is successfully connected to the charging dock.
Note:
If the robot vacuum does not find the charging dock, it will automatically return to the starting point of cleaning. Please manually put it back to the charging dock for charging.