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In this blog-post we will have a look at Polar M400 vs Polar M600 Technical specifications & Functional differences to decide if you wish to spend $150 more to buy M600 or save on M400 ? Polar is pretty old brand in Athletics running watchs … Remember…
Polar M400 vs Polar M600 Technical specifications & Functional difference to decide if you wish to spend $150 more to buy M600 or save on M400! Android Wear
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