What do the lighting effects on the Redmi Buds 6 charging case mean?

For the Redmi Buds 6, the charging case features only a white light strip, with different lighting effects for various scenarios.
1. (1). Power on (USB plugged in): The indicator strip gradually illuminates from left to right (one cycle);
(2). Charging: The indicator strip continuously cycles from left to right (steady illumination);
(3). Fully charged: The light strip stays on continuously.
2. Connection status: After opening the lid, press and hold the function button for 2 seconds, and the indicator will enter a slow flashing white state (1 flash per second) until successfully paired with the phone. When pairing is successful, the white light will stay on for 5 seconds. If there is no connection for 1 minute, the earbuds will enter sleep mode, and the indicator will turn off;
3. In-case detection light effect: After the earbuds are placed in the case, the indicator will stay on for 2 seconds before turning off;
4. Battery check: The white indicator strip on the charging case can display the battery level of the case.

1. Battery level: 0-25%, 2. Battery level: 26%-50%, 3. Battery level: 51%-75%, 4. Battery level: 76%-100%.