With this app, every day at a certain time, you can measure your heart rate and notify you via sound or vibration notifications of your phone if you exceed the set or lower thresholds.It may not work if energy saving is activated on the installed application.To enable it in the settings, the bluetooth address of the Mi Band 4 bracelet must be specifiedFor now only tested with Mi Band 4, Amazfit Bip Xiaomi SmartWatchWe await feedback