Polar - Runners! Stride sensor support for Polar M400 is here. We've also improved the GPS fix! Learn more: http://bit.ly/1GJC6jr | Facebook
Specs, performance and fitness - Polar M430 review | TechRadar
Polar M400 review: A feature-packed GPS running watch that can also track your steps and sleep - CNET
Polar - Updates for Flow app Android, M400 and V800 users: - Flow app Android release corrects the activity and training data visibility issue which some of you experienced - firmware updates
Polar M400 Sync Fail Workaround | Mario Talavera Writes
Polar M400 GPS Smart Sports Watch and Fitness Tracker (Black)
Integrating with Polar: How to auto-sync workouts from Polar to SportTracks | SportTracks
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