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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 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/2b801963ea3df437c926c8204a277e93e199bc1a/hub/2014/11/18/d4058596-e577-4eda-8536-a2398b2f808e/polar-m400-product-photos-19.jpg?auto=webp&fit=crop&height=360&width=640)
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 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/2014/11/18/616b2599-c792-4105-b6c0-f449f8c3ab5f/polar-m400-product-photos-10.jpg)
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 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/2014/11/18/97390ec4-0385-495c-bcf4-4496555bb14c/polar-m400-product-photos-09.jpg)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
![Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99 Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99](https://litb-cgis.rightinthebox.com/desc_image/201910/cnvgdp1572420612737.jpg)
Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99
![Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99 Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99](https://litb-cgis.rightinthebox.com/images/640x640/201910/bijstc1572420585917.jpg)
Chytré hodinky pro Polar M400 / M430 Silikon Chytré hodinky Popruh Měkký povrch Prodyšné Sportovní značka Výměna, nahrazení Náramek 7755235 2023 – €12.99
![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/db943d10-76a0-493d-a6f7-44db83205fb4/polar-m400-product-photos-15.jpg)