Polar - Grandi notizie per tutti gli utilizzatori di M400! Da oggi potete aggiornarlo con la funzione Smart Notifications, per visualizzare chiamate, messaggi e notifiche ricevute sullo smartphone, direttamente su M400! Smart
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Polar M400 Activity Tracker/GPS Running Watch With Heart Rate Sensor! | Gadget Explained - Reviews Gadgets Electronics Tech
Polar - Runners! Stride sensor support for Polar M400 is here. We've also improved the GPS fix! Learn more: http://bit.ly/1GJC6jr | Facebook
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