The Fitbit calorie tracker feature can be useful when planning a diet or workout schedule. Here's how Fitbit calculates ...

You can fully charge your Fitbit Charge 2 in about two hours, and you should be able to use it for a full week without ...

You can reset a Fitbit Flex to its factory settings as long as you have an official Flex charger and a paperclip or similar tool. Here's how to do it.