![Polar M400, Orologio GPS per Corsa Outdoor e Indoor Adulto Unisex, Nero, M : MainApps: Amazon.it: Sport e tempo libero Polar M400, Orologio GPS per Corsa Outdoor e Indoor Adulto Unisex, Nero, M : MainApps: Amazon.it: Sport e tempo libero](https://m.media-amazon.com/images/I/51LExyWJW-L._AC_UF1000,1000_QL80_.jpg)
Polar M400, Orologio GPS per Corsa Outdoor e Indoor Adulto Unisex, Nero, M : MainApps: Amazon.it: Sport e tempo libero
Polar - #TeamPolar, we've got a bunch of updates for you: - M400 and V800 firmware - Flow web service - Flow app iOS And the icing on the cake: Flow app
![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)