fitbit oxygen sensor versa
fitbit oxygen sensor versa
blood oxygen tracking with Sp02 sensor
track blood oxygen saturation (SpO2 
oxygen saturation levels 
SpO2 monitor on your Fitbit 
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A new Fitbit software update unlocks 
unlocking the dormant SpO2 sensor 
SpO2 monitor on your Fitbit /article-new/2019/11/fitbit-lineup.jpg)
Blood Oxygen Monitoring Feature blood oxygen variation
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monitor your blood oxygen levels 
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blood oxygen monitoring feature