Fitbit Alta HR vs Flex 2 vs Charge 2: What's the best Fitbit fitness tracker?
Fitbit Alta HR vs Flex 2 vs Charge 2: We compare the new Fitbit Alta HR, Fitbit’s first fitness tracker of 2017, with the Flex 2 wrist band and Charge 2 tracker. What’s the difference and which Fitbit wearable is best for you? Here’s our full …