Fitbit recently launched the Flex, the company's first wrist-worn activity monitor that syncs with your smartphone. The Flex uses Bluetooth 4.0 to sync with compatible smartphones (more on this in a minute), keeping your current activity stats updated.
When you first get the Flex, you'll need to do some work to get it set up, but don't worry -- it won't take you any longer than it does to wait in line at Starbucks.
Upon opening the Flex, you'll notice the actual tracker is inserted into the large wristband. Remove the tracker and use … Read more