The iconic sleep-tracking smart ring is accurate and comfortable—but smart rings make poor activity trackers.
On the whole, Polar Loop is a reliable activity tracking wearable for health conscious consumers who want zero distractions from their wrist and no monthly fees for their data.
A flurry of new activity trackers has been announced at the Consumer Electronics Show (CES) in Las Vegas this week, with a number of companies rounding out their product lines. Withings is no ...