I only give this watch 3 stars because the app is great. It also accurately tracked my steps and has an automatic sleep monitor and heart/blood pressure monitors. Now for the cons: uncomfortable to wear. I still don't understand how to change the watch face. Every morning the blood pressure values deviated by more than 20 points. I have low blood pressure and it is very important to keep it under control. I can say I can feel the effect when it's low and have used the cuff to check the watch measurements. While my cuff was 80/63, the watch measured 122/81. If there were a few points wrong with that, I'd understand, but such wild inaccuracy is not only unacceptable, it's unhealthy. The sleep tracker also stopped working after 2 days. He stopped tracking my sleep. These watches aren't all that bad. It has really great features and a good app. But if you have high blood pressure or low blood pressure, you need to do like me and keep looking.
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