News Polar’s top smartwatches just got some useful new features via a free update — here are the 5 key upgrades

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Polar has added several useful new features to its Vantage V3 and Grit X2 Pro smartwatches via a free update, including the ability to charge the watches during long activities.

Polar’s top smartwatches just got some useful new features via a free update — here are the 5 key upgrades : Read more