Garmin's New Fitness Tracker Has a 'Body Battery' Feature That Tells You When You're Too Tired to Exercise
If you compare all of the ~$100 fitness trackers currently available, you'll find a lot of similarities when it comes to their hardware, design, and functionality. So to make its new viIvosmart 4 stand out, Garmin has instead tried to innovate on the software side by using all of the data the wearable is tracking to"