The A300 fitness and activity monitor combines 24/7 activity tracking with Smart Coaching features based on heart rate. It showcases a comfortable shape with rounded-off edges, and is available in six trendsetting colours. Connection with the accurate Polar H7 heart rate sensor allows for heart rate monitored training. Users thus gain insights into whether their training is improving fitness or burning fat. In addition, it also shows the total burned calories from both training and daily activity.