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- Train as smart as possible by wearing the chest strap while you work out to track your heart rate. See it real-time when you wear with UA Band. Wear it EVERY WORKOUT.
- Chest strap directly measures the electrical impulse of your heartbeat during workouts—providing the most accurate heart rate reading
- Track heart rate, heart rate zone & workout intensity
- Bluetooth Smart compatible & connects with UA Record™
- Battery: 220 mAh (CR2032) lasts up to 365 hours