


FRONTIER - X2 / HEART RATE MONITORING DEVICE
The Fourth Frontier X2 offers continuous ECG-based heart monitoring and precise performance tracking in a comfortable chest-strap design.

Overview
The Frontier X2 is a chest-strap wearable combining continuous ECG-based heart monitoring with highly accurate performance tracking. Designed for comfort and precision, it delivers deeper insights into stress, recovery, heart rate variability, and physiological load.
Key Benefits
- The Frontier X2 is a chest-strap wearable that combines continuous ECG-based heart monitoring with highly accurate performance tracking
- Designed for those who want deeper insight into both fitness and heart health, it captures richer cardiovascular and physiological data throughout the day
- Built for comfort and long-term wearability, the Frontier X2 helps you understand how your body responds to training, stress, and recovery
- As a chest-based monitor, it offers accuracy widely regarded as the gold standard in heart-rate tracking, delivering more consistent readings than typical wrist-based wearables
- It tracks key indicators including heart rate, ECG, heart rate variability (HRV), stress response, recovery patterns, and physiological load, reflecting the overall strain placed on the body through daily activity
- With a clearer view of cardiovascular function and body readiness, the Frontier X2 supports smarter decisions around training intensity, recovery, and lifestyle, offering a more advanced and data-driven approach to wearable monitoring
- Key Features & Benefits
- Continuous ECG-based monitoring for deeper cardiovascular insight
- Chest-strap design delivering gold-standard accuracy and consistent data capture
- Advanced HRV-based insights supporting VO max estimation and readiness tracking
Brand: Fourth Frontier
Colour: Blue/Black
Warranty: 12 months
Battery Type: LI-ION
Battery Size: 240mah
Weight: 0.56 kg
FAQs
Have a question? We can help.
When will my order ship?
Most orders ship within 5–7 business days. You’ll receive a tracking link the moment your package leaves our warehouse.
Do you deliver outside of NYC?
Yes—we ship to any mainland US location. Shipping times and rates vary based on your location and will be calculated at checkout.
Can I cancel or change my order?
If your order hasn’t shipped yet, email us at support@seeyoutmrw.com and we’ll do our best to help.



