Meet the Polar A370: a waterproof fitness tracker that can monitors your daily activity, calories burned, and sleep patterns to give you a complete picture. It measures your heart rate from your wrist. It has a 3D accelerometer to recognize when you move. With Polar’s Smart Coaching, you get useful feedback on how to achieve your goals faster.
Polar A370 tracks the timing, amount, and quality of your sleep. It combines with your phone and uses its GPS to track your pace and distance to map your your route. It also shows smart notifications.