How do fitness trackers measure distance? Is fitness tracker useful?Report
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Hello, my name is John and I am 28 years old. I am crazy about sport, I have been doing different sports since my childhood. Now everyone buys fitness trackers. I’m also interested in it so I started to look for a good tracker. But I still have some questions. How do fitness tracker measure distance? Running is an important part of my workout so I want to know whether the measurements will be right. Is fitness tracker really so useful device as many people tell? Hope you will explain to me its advantages, thank you very much!