Product Overview: Polar A370 is a sleek and sporty waterproof fitness tracker that helps you stay on the pulse 24/7 with continuous heart rate monitoring, advanced sleep tracking and Polar’s unique workout features.so you’ll get a complete overview of your daily activity. - Polar A370 shows you how many calories you’ve burned, reveals your lowest and highest heart rate and shows you how your heart rate varies during the day. Product Description: ACTIVITY GUIDE Stay on the move every day. Polar A370 gives you a personalised daily activity goal that motivates you to keep moving throughout the day. Polar Activity Guide shows you how active you’ve been and gives you practical tips on how to reach that 100%. ACTIVITY BENEFIT When it comes to a healthy lifestyle, even the small things make a difference. Learn how your active everyday choices benefit your health and well-being. SMART CALORIES Polar A370 helps you keep track of the calories you’ve burned. You’ll be able to see the calories burned during each training session and for the whole day. The continuous heart rate measurement combined with 24/7 activity tracking make sure your calorie burn is measured accurately and reliably. FITNESS TEST (H10 HEART RATE SENSOR REQUIRED) Hook up Polar A370 with Polar H10 heart rate sensor and test your aerobic fitness level without breaking a sweat in only five minutes. Polar Fitness Test measures your aerobic fitness from your resting heart rate, heart rate variability and your personal information. SLEEP PLUS Polar’s new advanced sleep tracking technology gives you insights to your sleep. It monitors your movement with extreme precision to give you a comprehensive overview of your sleep. CONTINUOUS HEART RATE Stay on the pulse with 24/7 heart rate monitoring and get a comprehensive view on how your heart behaves during your day. Continuous heart rate monitoring helps. TRAINING BENEFIT Learn more about the effects your training has on your fitness. Polar A370 gives you feedback right after each workout and tells you how your workout benefits your body. RUNNING PROGRAM Train for a running event with a personal and adaptive training plan in Polar Flow. Choose from four different targets, 5K, 10K, half marathon and marathon, and get a training plan that fits you and your goals.