Heart rate is the number of heartbeats per minute. The Redmi Watch 5 Lite uses photoplethysmography technology to detect heart rate and display heart rate values.
For your reference, here are more details about the heart rate measurement of the Redmi Watch 5 Lite:
1. When continuous heart rate detection is turned on, continuous heart rate fluctuation curves can be drawn;
2. The Redmi Watch 5 Lite’s heart rate measurement frequency is divided into intelligent monitoring (heart rate measurement 25s every 10 minutes when quiet, heart rate measurement 25s every 1 minute when active), monitoring every minute, monitoring every 10 minutes, and monitoring every 30 minutes;
3. The watch automatically measures at the selected intervals and generates a heart rate chart.