24/7 Continuous Heart Health Monitoring: Delivers Best-grade heart rate monitoring for up to 24 hours, including sleep. Captures every beat and breath on your chest to give athletes and health users a complete picture of heart performance. Real-Time Alerts & Training Zones: Set custom vibration alerts for heart rate, breathing rate, or strain. Get buzz notifications when you hit target zones to train hard and safe. Prevent over-exertion (or under-training) by staying in your optimal heart zone. Pro-Level Accuracy & Analytics: Syncs with the Fourth Frontier app and web dashboard to record heart health metrics (Strain, HRV, Activity 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.