Interesting, helpful, but not very

This is a neat tracker, and once set up does a credible job of tracking and keeping records. Battery holds for 3 days. Step count is a bit high but not more than 10%. Once I figured out how to set it up with the H-Band App, it records and displays (on linked cell phone) daily heart monitor, blood oxygen, heart rate variation, and sleep time and depth for each day. I really wanted to see extremes, however, and you don't get that. You get the value at specific points in time, I think every 30 minutes. So it doesn't do a bit for my need of monitoring my blood oxygen level to make sure I rest when it starts to get low, and my heart rate when it starts to go too fast. On the other hand, for the price it looks good to me compared to what I see in the stores.

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