I took vivoactive hr instead. I like it very much - it is comfortable, it lives for a long time on a single charge (although I would like a little more), a decent range, it quietly hides under a shirt. The functions are perfect - steps, heart rate, VO2 max, sleep, stress, full notifications for iphone. Of the interesting things, I would also like only gps, although it is not really needed when there is a smartphone at hand. There are simply no analogues on the market now.
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