HT204511: Measure your heart rate with your Apple Watch
Learn about Measure your heart rate with your Apple Watch
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Q: What is better ...heart rate strap paired with the apple watch or paired with the iphone when working out? Also looking to maximiz ... What is better ...heart rate strap paired with the apple watch or paired with the iphone when working out? Also looking to maximize battery life on the watch for 6 hour workouts. more