Get to live a more active lifestyle with the Polar A300 Fitness and Activity Monitor. This tracker will not only give you everyday activity stats but will also help in counting calories, steps and distance covered. The vibrating inactivity alerts will enable you to stay active throughout the day. You can also sync this tracker with the free Polar Flow app and decide on a workout plan, motivation and guidance. It’s also compatible with the H7 Bluetooth Smart heart rate sensor that will give you accurate heart rate analysis. The rechargeable battery will last up to four weeks at a time which is available with 6 changeable wristbands sold separately. Living an active lifestyle made fun and super easy.