Frontier X2 Smart Heart Rate Monitor Chest Strap, Wearable Heart Rate Monitor with Strain, Breathing Rate, Real Time Vibration Alerts and 20+ Fitness Activities with Continuous Heart Monitoring

24/7 CONTINUOUS HEART HEALTH MONITORING: Provides continuous heart rate Monitoring, Breathing Rate, and Strain Monitoring for athletes, fitness enthusiasts, and health-conscious users—including during sleep and recovery
REAL-TIME VIBRATION ALERTS & TRAINING ZONES: Stay in your optimal heart zone with custom alerts for heart rate, breathing rate, and strain. Continuous heart rate monitoring prevents over-exertion or under-training, helping athletes and wellness users train safely and effectively.
PRO-LEVEL ACCURACY & ANALYTICS: Syncs with the Fourth Frontier app and web dashboard to record heart health metrics (Strain, HRV, Training Load, etc.). Share data instantly with coaches or doctors.