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Polar M400 Activity Tracker/GPS Running Watch With Heart Rate Sensor! | Gadget Explained Reviews Gadgets | Electronics | Tech
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Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
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Polar M400 Activity Tracker/GPS Running Watch With Heart Rate Sensor! | Gadget Explained Reviews Gadgets | Electronics | Tech
Polar - We've given our Polar Flow app a bit of a refresh—we've also made it possible to share your training data directly from the app to Facebook. Well worth an update:
Polar - Runners! Stride sensor support for Polar M400 is here. We've also improved the GPS fix! Learn more: http://bit.ly/1GJC6jr | Facebook
![Polar announces M400 footpod support, also smartphone notifications for V800/M400/A300 | DC Rainmaker Polar announces M400 footpod support, also smartphone notifications for V800/M400/A300 | DC Rainmaker](https://media.dcrainmaker.com/images/2015/01/IMG_3981.jpg)