One huge perk of Fitbit is the built-in stress-reducing apps, so how easy these were to use was a key part of testing. We've tried Fitbit's mindfulness program, the Relax app, on all devices, and the ...
The Fitbit Sense 2 is Fitbit’s most advanced and expensive smartwatch. Its features include an electrocardiogram (ECG) app, sleep monitoring, GPS, and heart rate monitoring. Additionally, it has ...
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