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These AR swim goggles I tested have all the relevant metrics (and no subscription)
Form's Smart Swim 2 Pro AR goggles are made with Gorilla Glass 3 and an anti-fog solution, but it's the advanced coaching features that helped me swim faster.
Matthew Miller/ZDNETForm includes five arched nose bridges to fit every face shape, and you can even flip these over if you want the AR view, right side by default, to appear in front of your left eye. Core features include the free smartphone application (available for iOS and Android) that let you set up the AR display on the goggles, the optical heart rate sensor, automatic stroke detection, sharing with services like Strava and TrainingPeaks, and open water swim tracking with support for connected GPS sports watches. I was worried a bit about the goggles being tough to use while swimming, but Form has perfected the user experience with two-button controls on one side and seamless connectivity to your smartphone and sports watch.
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