Best Fitness Trackers on Amazon
The 5 Best Fitness Trackers You Can Buy on Amazon — According to Reviewers
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The Tracker: Instecho Fitness Tracker, Custom Activity Tracker Heart Rate Monitor ($28)
The Rating: 4.4 stars
Why People Love It: Another affordable option, this tracker has all the traditional features and can connect to your phone, but its long-lasting battery is what impressed this reviewer. "I mainly got this to track my heart rate when working out, but really like how I see a preview of text messages and see who is calling me when I don't have my phone with me. The battery lasts almost a week and I have it in my wrist all the time, I even sleep with it. It charges completely in about [one to two] hours."