Make sure you're benefiting your lifestyle with your training by tracking it completely with the Polar M430 Smartwatch in White! Take a leap with technology and one of the best running products on the market to help you enhance your activities and goals. The integrated GPS keeps an eye on your speed, distance, pace, and route tracking. It also guides you with helpful feedback with aerobic fitness, your heart rate, heart rate zones, and an running index. All tracking is done safely through 6 LED optical sensors, including your optimal heart rate. Never turn your active lifestyle off as this watch allows for eight hours to nearly 30 hours of training time - plus a rechargeable battery.