I tested the Apple Watch Ultra 3 and Garmin Venu 4 on a 7km run, vs a chest-worn heart rate monitor
NeutralTechnology

In a recent test, the Apple Watch Ultra 3 and Garmin Venu 4 were compared against a chest-worn heart rate monitor during a 7km run. This comparison is significant as it highlights the accuracy and reliability of wearable technology in tracking fitness metrics, which is crucial for athletes and fitness enthusiasts looking to optimize their performance.
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