![Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET](https://www.cnet.com/a/img/hub/2014/11/18/b27e0fe0-3ac7-4980-b3b6-9c78eb666205/polar-m400-product-photos-12.jpg)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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X-Best Custodia per Polar M400/M430, Accessorio in TPU di Cinturino da Polso Band Sostituzione del Cinturino per Polar M400 M430 GPS Running Smart Orologio Sportivo Cinturino da Polso : Amazon.it: Elettronica
![Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET](https://www.cnet.com/a/img/resize/79fcd5094b3bf8a8174df48174f72a9d18020aee/hub/2014/11/18/616b2599-c792-4105-b6c0-f449f8c3ab5f/polar-m400-product-photos-10.jpg?auto=webp&fit=crop&height=1200&width=1200)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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