The product description lists many features. The heart rate and blood oxygen readings are about the same as my pulse oximeter. The pedometer readings are very similar to my Fitbit. The sleep monitor is good at determining sleeping and waking time. Deep/light sleep time and wake up time are approximate. I don't know what technology he uses to measure his blood pressure. I compared the results to what I got from my Omron. That's far. I wouldn't trust him. Overall, the electronic equipment seems to be excellent. The battery performance is surprisingly good. However, the software and smartphone integration needs improvement. By the way, I don't really like the design of the bracelet. It's not easy to put on and the clip won't stay locked and pop out.
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