![VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube](https://i.ytimg.com/vi/_EKEYm_t_90/maxresdefault.jpg)
VO2 Max Scores and Fitness Scores on Fitbit, Garmin and Other Fitness Trackers: Are They Useful? - YouTube
![Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker](https://media.dcrainmaker.com/images/2016/08/Fitbit-Charge-2_Fitbit-App_iOS_Cardio-Fitness_Ryan-Hall.png)
Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
Dean Karnazes - Wow! The new #fitbitcharge2 has a Cardio Fitness Level tool that estimates your VO2 max. Time to start sprinting! #teamfitbit #fitbit #findyourfit Fitbit | Facebook
![Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker](https://media.dcrainmaker.com/images/2016/08/DSC_8511.jpg)
Hands-on: Fitbit's new Flex 2 and Charge 2 Activity Trackers, plus Blaze & Alta updates | DC Rainmaker
![I finally got an exact cardio fitness score! I read recently how you need to GPS track a couple of 10min+ runs for a more specific score (I was at a range I finally got an exact cardio fitness score! I read recently how you need to GPS track a couple of 10min+ runs for a more specific score (I was at a range](https://i.redd.it/kjbsnmai47361.jpg)