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Is the 245's wrist heart rate sensor at the same level of 255's?

Manu1976
over 2 years ago

I was wondering whether the 245's wrist eart rate sensor is at the same top level of 255's.

I've read around that 255's wrist sensor is so precise that in most cases one can avoid wearing a cardio band.

So, are both sensor as good or 255's is better?

Thank you!