The Redmi Watch 2 Lite has a built-in compass that you can use to know directions. To use it, follow the steps mentioned below:
Step 1: Press the side button of the watch.
Step 2: Scroll down and select the Compass icon.
Step 3: Now, move the watch to form an 8 to calibrate the compass on the watch.
Step 4: After calibrating, you can use the compass to find directions.
Source : wearablestouse.com