Review on Smart bracelet HUAWEI Band 7, black by Jnis Ginters ᠌

I bought it, rather, as a medical device, to control the pulse, the level of oxygen in the blood and the quality of sleep. In this regard, the device justifies itself. Has some pros Stylish minimalist look. Excellent product quality. The convenience of use. A variety of settings for the software of the bracelet and smartphone. Variety of dials. Display size. Has some cons Pressure measured by pulse rate is at least stupid. In my opinion, the readings of the oxygen level are somewhat underestimated. Finger oximeter shows better results. And in fact, the normal level of oxygen in the blood is 95% and above (I was in the hospital with the coronavirus, so I know what I'm talking about). And here for some reason from 90%.