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Polar A370 Smart Coaching and GPS piggyback - Review Pros and Cons
May is definitely Polar's month! Just 2 weeks after the release of the best GPS smartwatch for running Polar M430, Polar introduced their new fitness tracker: Polar A370. Yep, it's the successor of Polar A360 as you can tell from the name. For those who are looking for a sub-$200 fitness tracker, you will have to