Polar A360 Fitness Tracker with Wrist Heart Rate Monitor WRIST HEART RATE MONITOR: Accurate wrist-based heart rate monitor with personalized training guidance to reach your fitness goals ACTIVITY TRACKER: Tracks your workouts, steps, distance, calories burned, sleep quality, and activity 24/7 ADVANCED TECHNOLOGY: Bright colorful touch screen with vibrating smart notifications and inactivity alerts that help you stay active WATERPROOF FITNESS TRACKER: Customize your A360 activity tracker to fit your style with interchangeable, waterproof wristbands CALORIE COUNTER CAPABILITIES: For those who want to count the calories they burn and get basic heart rate-based features to keep their fitness training simple