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MONITOR YOUR HEART CONTINUOUSLY: The Frontier X2 Smart Heart Health fitness monitor is designed to record your heart rate for up to 24-hours during exercise
REAL-TIME VIBRATION ALERTS: Train in the right zone with confidence and without distractions by setting real-time, personalized, single and double buzz vibration alerts. These alerts will tell you when you’ve reached a desired or threshold heart rate while exercising or while at rest.
MEASURE WHAT MATTERS: Measure changes in Rate, and Strain to better understand your heart.