If you are considering buying a fitness tracker for weight loss, then you should be aware of how a fitness tracker works.
All types of fitness trackers have special sensors for monitoring your movements. It is often connected and synced with some system or your mobile phone for storing the data of your daily activities.
There are many types of activities that can be censored with different types of fitness trackers. Most activity trackers involve monitoring your steps, sleeping hours, heart rate, and so on.