Get continuous ECG and real-time alerts for 20+ activities with the Frontier X2

FitnessTechnology

June 11, 2026
The Importance of Accurate Heart Rate Monitoring During High-Intensity Training
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June 5, 2026
Why Wrist Heart Rate Fails During HIIT (And What to Use Instead)
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May 18, 2026
Frontier X2 Explained: Accuracy, Compatibility, and Value
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