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First Fit Bit
The first fit bit was invented in 2007 by James park and Eric Friedman, but it was released in 2009. -
Zip
Zip tracks steps, distance, calories burned, and provides the time of day. -
Flex
Flex tracks your sleep, steps, calories, distance, and it also has a silent vibration alarm. -
Charge
All of the same except they added navigation and many notifications. -
Alta
One the Alta you can receive texts messages and calls along with sleep tracking. -
Blaze
The Blaze has most of the same features but now it tracks your fitness plan and the screen is much larger with side buttons. -
Versa
The Versa is the most recent fit bit to come out. It now has apps to download, more advanced phone notifications and workout routines.