I just noticed that no SPo2 was registered last night, but a couple nights ago it was. I wear the watch the same each night. Is it just a hit or miss, maybe how snug the watch is, or is there some setting that might have changed?
I just noticed that no SPo2 was registered last night, but a couple nights ago it was. I wear the watch the same each night. Is it just a hit or miss, maybe how snug the watch is, or is there some setting that might have changed?