3 reasons to buy Fitbit Flex 2 (and 3 reasons not to)

Fitbit's fourth new fitness tracker of 2016, Flex 2 ($100), is a worthy successor to the original Flex. It is the lightest, thinnest, most flexible Fitbit wristband, and Flex 2 doesn't look clunky next to your analog watch or smartwatch. It's also worth a look if you frequently swim for exercise.
However, Flex 2 has some unfortunate compromises. 3 reasons why you should buy Fitbit Flex 21. Flex 2 is very thin and light
Flex 2 is 30 percent smaller than the first Flex model, according to Fi