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Sunnto hrm dropping out when working out??
lina011
Posts: 427 Member
My sunnto M4 keeps dropping out on heart rate when I workout it's never done this before I'm guessing because my increase bust size lol is making it move ?? I've replaced both batteries in watch And belt tried tightening the belt, I do wet the belt also, I do rinse after workout too etc, is anyone else experiencing this?? If not you think it may be time to replace and get a nice new one ... Gah being pregnant has made my chest blow up like 3 sizes it so hard to keep them secure too... Thanks
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