What do the different colors of the indicator on the Xiaomi Buds 5 Pro charging case represent?

For the Xiaomi buds 5 Pro, the colors of the indicator for different working statuses of the charging case are as follows:
1. Charging: When the battery level is above 90%, the indicator is in green continuously; otherwise, the indicator is in orange continuously;
2. Connection Status: After opening the case, press and hold the function button for 2 seconds. The charging case indicator will flash in white, indicating that the Xiaomi Buds 5 Pro are waiting to be connected. If no connection is established within 1 minute, the Xiaomi Buds 5 Pro will enter Sleep mode and the indicator will turn off;
3. With the charging case closed, press the function button once. If the battery level of the charging case is above 40%, the green indicator will stay on for 5 seconds and then turn off; if the battery level is 40% or below, the orange indicator will stay on for 5 seconds and then turn off;
4. When the Xiaomi Buds 5 Pro are placed in the case, the first second will display the battery level of the earbuds. When the battery level is above 60%, the indicator is in green continuously; otherwise, the indicator is in orange continuously. One second later, it will display the battery level of the charging case. If the battery level of the charging case is above 40%, the green light will stay on for 8 seconds and then turn off; if the battery level is 40% or below, the orange light will stay on for 8 seconds and then turn off.