COLMI P28 Plus - Da Fit Heart Rate Monitoring; HR Data Query and Measurement; Heart Rate Data Accuracy and Use

d) Heart rate interface description
95: Historical heart rate data query
96: Last measured heart rate data
97: Last measured heart rate data
level
98: Legend of the last 7 times heart
rate data
99: Click to measure heart rate
P.S. Recommended resting measurement; The heart rate
measurement results of p28 plus may deviate due to the user's
wearing method;
The heart rate measurement data of p28 plus is for reference
only and cannot be used for medical purposes