Pars 01 offers a stylish interface with different colors to your watch.IMPORTANT NOTICE :After installation, the watch face can load the last heart rate measurement result, but it doesnt have to.The watch face does not automatically measure and does not automatically display the heart rate result.To view your current heart rate score, youll need to take a manual measurement.To do this, sit still, wait a few minutes and click on the heart rate display area.Wait a few seconds. The watch face will take a measurement and display the current result.Do this whenever you want to see your current heart rate.*At the moment, Oppo watch models are not supported! *