What is a Wearable Fitness Tracker? By Cashmere Lashkari, B.Sc.Reviewed by AfsanehKhetrapal, BSc
A fitness tracker is a gadget worn around the waist or on the wrist that keeps track of certain body parameters such as motion and heart rate. A number of new fitness trackers that link up to a smartphone or a laptop are available in the market today. The majority of them have three axis accelerometers which allow them to monitor just how fast an individual moves in any direction. This data is then processed with algorithms to make more sense of the movements.
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