Activity trackers, also known as activity monitors or fitness trackers, are the modern equivalent of pedometers. But they do more than count steps.
Activity trackers can determine how far you've traveled and what type of movement you were doing, such as walking, jogging or swimming. And many activity trackers measure sleep quality and length, compute calorie intake and the number of calories burned, monitor your heart rate, check skin temperature and sweating levels, and serve as alarm clocks or watches. Some can even monitor your blood-oxygen levels. And many activity trackers can track your location.
Some display your progress in real time. All can show it later on a smartphone, tablet or computer. Some activity trackers can sync with smart devices, such as a smart bathroom scale. They can even provide social support through apps or websites. And activity trackers can assist with your goal setting by giving cues and rewards to encourage healthy behaviors.
Many activity trackers are made to be worn on your wrist, like a watch or bracelet, although some can be clipped to your clothing. Most can be worn for 24 hours. Many trackers have alerts for calls, texts or emails. Although they are not totally accurate, they are generally accurate and can provide some helpful activity information.