Fitbit's enhanced heart rate tracking
Fitbit also released an update to its "PurePulse" heart rate technology for Charge HR and Surge, the only Fitbit trackers that measure heart rate. The company says its heart rate tracking performance now works better when you manually start or stop high-intensity workout tracking using Exercise mode on Charge HR, or Multi-Sport mode on Surge. However, I didn't notice any big differences in accuracy or performance compared to previous manually-tracked workouts.
All told, the upgrades make Fitbit apps and trackers more compelling than they already are. The company could further improve its offerings with some overdue hardware upgrades, though. Updated Flex and One trackers that automatically measure sleep and exercise would be on my Fitbit must-have list, for example.
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