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/c7c441cb6aaaaaab2c03f0c0e833b6fdf744cccf/hub/2014/11/20/2b4eef50-b6e6-4a90-a19e-755b53f16f30/polarm400.jpg?auto=webp&fit=cover&height=482&width=856)
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
![Polar Upgrades for V800, M400 and Flow - Correr una Maratón - Review of Garmin, Polar, Suunto, Fitbit... Polar Upgrades for V800, M400 and Flow - Correr una Maratón - Review of Garmin, Polar, Suunto, Fitbit...](https://www.correrunamaraton.com/wp-content/uploads/2015/04/actualizacion-polar-1.41.jpg)
Polar Upgrades for V800, M400 and Flow - Correr una Maratón - Review of Garmin, Polar, Suunto, Fitbit...
![Polar M400 GPS Sports Watch without Heart Rate Monitor, Black : Amazon.ca: Clothing, Shoes & Accessories Polar M400 GPS Sports Watch without Heart Rate Monitor, Black : Amazon.ca: Clothing, Shoes & Accessories](https://m.media-amazon.com/images/I/81Ae3qHiMVL._AC_SX425_.jpg)
Polar M400 GPS Sports Watch without Heart Rate Monitor, Black : Amazon.ca: Clothing, Shoes & Accessories
![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/56c5c06e61e9760aaad68b7ae54f2bcdd0a61391/hub/2014/11/18/616b2599-c792-4105-b6c0-f449f8c3ab5f/polar-m400-product-photos-10.jpg?auto=webp&fit=crop&height=675&width=1200)