If you want to buy a smart bracelet, please don't buy a GPS bracelet, this is an IQ tax. In addition, if you want to buy a smart watch, please consider your own ecosystem watch first, if you are not satisfied with the appearance, then consider other brands. Next, I will show you the three most popular smart watch brands below. If you are interested, you can refer to it for purchase.

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Huawei Band 7

unique advanced health functions

advantages: The principle of CPC cardiopulmonary coupling technology for sleep detection determines that it is a rare and reliable detection method in smart bracelets. Secondly, it has real large-screen interaction, rather than large parameters on paper. In addition, it has unique advanced health functions: heart health research, sleep apnea, etc., which are not available in similar products.

disadvantages: High-level health functions do not support the IOS system for the time being. Second, good-looking dials cost money.