I have a mio euofit heart monitor watch. During my workout I have a hard time picking up my heart rate. Do I need to change the battery?
Yes, you definetely need battery replacement.
As the hart rate monitoring is most sophisticated part of the device, it has more IC (Integrated Circuits) than any other features.
More IC's means more power is needed, so, if the heart rate monitor is starting to malfunction, that's the very first sign of underpowered battery.
Find your nearest watch repair shop and ask for battery replacement.
Do not forget to rate, please.
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