Polar's latest fitness band called the A370 is a multi-tasker like the company's older wearables, and at $20 less than its predecessor, it's definitely the better choice. It monitors your heart rate ...
Polar has launched a new fitness and sleep tracker, the Polar A370 wrist wearable. The A370 offers a couple big features, including what Polar calls 'advanced sleep tracking,' as well as continuous ...
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