All in all as a compromise money - features this is a very good bracelet. If you need a device that will track your workouts - heartbeat, oxygen levels and calories, it will calculate and measure it for you. In addition to this, it will be able to show notifications from the phone, notify you of a call, and in general will be a beautiful addition to your look. If you need a device to track your data for any medical purposes, then I'm afraid it will be difficult to trust the data 100 percent. Although it measures the pulse with the level of oxygen very accurately, it is still not a medical device, and according to personal impressions, some measurements may be incorrect. As a result, I will say that I recommend this bracelet for purchase, not without minuses, of course, but where without them?
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