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
Frontier X2 Heart Rate Monitor - Affordable Deal with Vibration Alerts.
Track heart rate, strain, and breathing with Frontier X2 chest strap. Real-time vibration alerts for 20+ activities. Great value at a low price. Durable and accurate for continuous monitoring.