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Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
![oh man. i feel SO good about myself right now. nothing like being 45 and seeing that VO2 max : r/fitbit oh man. i feel SO good about myself right now. nothing like being 45 and seeing that VO2 max : r/fitbit](https://external-preview.redd.it/FBYKZGDEOgo_2BN59DTn5uvS-bqDh9Yo6PPNbT9gwVg.jpg?auto=webp&s=97a7d747afde23ae7c328a0c90fffd6b6327cba5)
oh man. i feel SO good about myself right now. nothing like being 45 and seeing that VO2 max : r/fitbit
The correlation between estimated and measured VO2max value for all... | Download Scientific Diagram
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