Question guys. I recently changed the battery on my M4. I noticed though that my average heart rate went down to 118 to 123, compared to prior battery change where it was at 129-133. I also noticed that the peak heart rate rarely goies over 160 now and i can't reach 175. I use to peak at 181, and could maintain 175 for span of time. Have you experienced this? There might be something wrong either with my watch or with my body :)

Question guys. I recently changed the battery on my M4. I noticed though that my average heart rate went down to 118 to 123, compared to prior battery change where it was at 129-133. I also noticed that the peak heart rate rarely goies over 160 now and i can't reach 175. I use to peak at 181, and could maintain 175 for span of time. Have you experienced this? There might be something wrong either with my watch or with my body :)

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the first and the second don work ten hours this month but if they are happy,me too...

here he goes again, impossible! YossPL what are you trying to do? or prove? you only start exercise mode when you actually do your workout! not all day in your sleep! last month you traveled through time and had more workout hours than what is possible in actual calendar days! get your head right man!