2 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

• ＋ Real-time heart monitoring
• ＋ Vibration alerts for notifications
• ＋ Continuous heart rate tracking
• ＋ Supports over 20 fitness activities
• ＋ Includes strain and breathing rate metrics

• 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.
• BLUETOOTH WEARABLE WITH APP/DEVICE COMPATIBILITY: Pairs via Bluetooth 5.0 (3× faster) to most fitness devices and phones. Works with iOS/Android apps, Apple Watch, Garmin, Peloton, Zwift, and more. Stream and review data live or later for in-depth training feedback.
• ATHLETE-READY, WATERPROOF DESIGN: Comfortable elastic chest strap (with silicone dots) for a secure fit during any activity. Fully waterproof up to 1.5m—ideal for running, cycling, swimming, rowing, or gym workouts. Includes 1-year warranty for peace of mind.