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ULTRA-LONG BATTERY LIFE: Up to 30 hours of training time with GPS active. As a durable and waterproof watch, Vantage M stands up to your toughest training and grueling races.
POLAR PRECISION PRIME SENSOR FUSION TECHNOLOGY: Accurate optical HR monitoring for 130+ sports including swimming and cycling. Automatically sync training data to Strava, TrainingPeaks, and more.

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STAY FIT: This heart rate monitor and watch is the perfect addition to your training program. Monitor your heart rate as you run, jog, or doing any cardiovascular exercise. This watch also includes a chronograph, daily alarm & heart rate statistics.
MONITOR YOUR HEART RATE: Simply wrap the included belt around your chest before exercising. Then, enter the heart rate monitor mode on the watch. While you exercise it keeps track of your current, maximum, and average heart rates. It also tracks your current and average speed.