Polar A300 Fitness and Activity Monitor Following Polar?s success in traditional HR monitors, the Polar A300 is the beginning of new era of fitness monitors. In addition to the familiar HR based Polar smart training features, the A300 also includes daily activity tracking with mobile connectivity to Polar?s Flow application. A300 follows daily activity, sleep, steps and calories. Flow web service and app explains the benefits your active choices bring each day. HR based training guidance helps you to train right to improve your fitness. Changeable wrist straps with trendy colors make sure A300 fits to every style. Daily activity goal, activity guidance and activity benefit Sleep time and sleep index Steps and daily distance Smart calories HR based training guidance (Optional HR Transmitter Required) Polar training program Training benefit Everything Counts Every jump, skip, hop, walk and run counts. The A300 shows your steps, distance, and burned calories, and motivates to reach your activity goal. If you stay still for too long, the A300 will vibrate telling you it's time to move again. Change It Up A small change can make a big difference. Match your mood and style with vibrantly colored, easy-to-change wristbands. The durable silicone wristband of the waterproof A300 is light and comfortable to wear. Almost There Train to your own beat with Polar H7 heart rate sensor and make sure your every move is counted for. Finish strong and feel great! Complete each training by analyzing results in Polar Flow web service and app. Eat, Move, Sleep, Repeat Getting enough quality sleep is important for your wellbeing. The A300 automatically clocks both the moment you start sleeping and wake up, and wakes you up with a gentle vibration. Follow your sleeping patterns in Polar Flow to find the right balance of training, daily activity and rest. Features 24/7 Activity Tracking : Tracks your daily activity at different intensity levels, and shows steps, distance and burned calories. Activity Goal : Your daily activity goal and guidance on how to reach it. Activity Benefit : Feedback about your daily, weekly and monthly activity. Fitness Test : Tells you exactly how your fitness is progressing by measuring your aerobic fitness at rest and evaluating your maximal oxygen uptake. Heart Rate : When paired up with Polar H7 heart rate sensor, measures your every heartbeat and lets you know if you?re mostly burning fat or improving your fitness. Gives the most accurate calorie burn in heart rate based training. Smart Calories : Shows exactly how many calories you've burned. Inactivity Alert: Vibrates when you've been sitting still for too long. Sleep Duration and Quality : Automatically tracks your sleep time and quality. See and learn from your sleeping patterns in Polar Flow web service and app. Polar Flow Web Service and App : Free online community and service that helps understand the impact of your activity and see the long term progress you make. Changeable Wristband : Vibrantly colored wristbands are easily changed to reflect your mood and style. Simple Charging : Charges conveniently with a simple plug and play USB.