Fitbit has updated its algorithm for more accurate sleep tracking. The new algorithm now accounts for awake times better, supposedly rendering more accurate data about different phases. However, users ...

Explore the best-rated fitbit smartwatches available on Amazon that perform excellently in terms of monitoring heart rate, ...

Overall this model was very easy to use, very accurate for counting steps, and very good at measuring heart rate accuracy. With recent version iPhones, our experts found it very easy to pair, very ...