This is the second time I've bought this particular product and I love it. I bought my first one in January 2012 and almost four years later I finally needed a replacement. I love Polar, it's a reliable and quality brand that accurately calculates calorie consumption with a heart rate monitor. Emphasis on accuracy as many new fitness bands try to give you results without legitimate tracking methods. In other words, if he's not using a heart monitor, it's just a guess. This particular brand works differently, it's compatible with all electronic fitness equipment (treadmill, stairlift, etc.) as well as my iPhone 6+ and the free Polar app. I've used it for HIIT, 5K, boot camp, swimming, biking, everything, it's amazing. I liked it so much that I bought one for my husband and one for his sister. Because of the low price I've actually seen a lot of people own them and they always say they love theirs as much as I love mine. Seriously, if you're thinking about buying it, don't hesitate, you'll love it.
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