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Fitbit Ionic for HR monitoring?
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01-01-2018, 05:42 PM
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ZStig
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Join Date: Dec 2012
Location: Delray Beach
Posts: 142
Fitbit Ionic for HR monitoring?
Has anyone tested to see if it measures heart rate underwater well? There's a video of a scuba diver drowning his, but factory seems to stand behind their 50M rating.
ZStig
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