The Polar A300 is the perfect tool to help you track your activity and keep you motivated Every walk and run counts and the A300 shows your steps, distance, and calories burned, each one motivates you to reach your activity goal. If you stay still for too long, the A300 will vibrate telling you it’s time to move again. Train to your beat with Polar H7 heart rate sensor and make sure you’re every move is counted. Feel great and stay active! Finish every workout by checking out your results in Polar Flow web service and app.Getting enough quality sleep is essential for your health and wellbeing. The Polar A300 will automatically clock both the moment you start sleeping and the time you wake up it even wakes you up with a gentle vibration. After a time, it will follow your sleeping patterns in Polar Flow to find the right balance of training, daily activity, and rest.By checking Polar Flow for more details about your daily activity, training schedule and sleep it becomes addictive. Whatever you do you can follow your active choices on a monthly basis in diary type view, these include things like calorie expenditure. See the progress you’re making.Activity Tracking 24 hours a dayKeep on top of your daily activity at different intensity levels, and shows steps, distance and burned calories.Activity goal measurementKeep an eye on your daily activity goal with guidance on how to reach it.Activity benefitGet feedback about your daily, weekly and monthly activity and progress.Personal fitness testing The A300 will tell you exactly how your fitness is going by tracking your aerobic fitness both at rest and by evaluating your maximal oxygen uptake.Heart rateWhen paired up with Polar H7 heart rate sensor (sold separately), measures your every beat and lets you know if you’re burning fat or improving your fitness. Gives the most accurate calorie burn in heart rate based training.Smart Calorie trackingShows exactly how many calories you’ve burned.Move more alertVibrating alert tell you when you’ve been sitting still for too long.Sleep quality and duration trackingEffortlessly track your sleep quality and time. Learn from your sleeping pattern in Polar Flow web service and app.Free online tracking with Polar Flow Join the free online community called Polar flow and understand the impact of your activity and see the long term progress you make.Easy charging up Charges easily with the convenient and simple plug and play USB.UMyFitnessPalTrack your total calorie intake and expenditure by connecting with MyFitnessPal app (iOS only). The Polar A300 is the perfect tool to help you track your activity and keep you motivated.