About - Fourth Frontier
Frontier X2 is the world’s first and only smart heart monitor that provides real-time ECG. Improve your heart health with real-time feedback anytime, anywhere.
Product Focus
- Heart Rate Monitor
- 24 Hour Heart Rate Monitor
- ECG Monitor
- Wearable Heart Rate Monitor
- Heart Rate Monitor for Exercise
- Wearable Heart Rate Tracker
- Wearable ECG Monitor
- Continuous Heart Rate Monitor
- ECG Wearable
- ECG Heart Rate Monitor