The biggest difference between the Fitbit Flex 2 and the Fitbit Flex is that the new device is sufficiently water-resistant to be worn while swimming and to track laps and calories burned while ...
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 ...
The new Flex and Charge devices are the first product updates from Fitbit in a while. The company introduced the two new fitness trackers yesterday. They’re designed to be more comfortable to wear and ...