We like the Charge 2 because it boats nearly all the features and functions as the higher-end Fitbit Versa and Ionic, but in a slimmer, lighter band that can even be work alongside a watch if you prefer to keep your old timepiece. Sleep Insights are also available to Charge 2 owners in the Fitbit app. Later, Fitbit added a further bunch of new features (pictured above) for Charge 2 users when they update their Charge 2 firmware, including: Workout Pause Function Guided Breathing vibration cues Do Not Disturb option improved Heart Rate Zone display on-device battery life and a new clock face.įrom March 2017 Fitbit added the impressive Sleep Stages, which uses accelerometer data and heart-rate variability to estimate how long you spend in Light, Deep and REM sleep stages.
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