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Polar A370 Fitness Tracker
Our Price$274.99Selected SKUs on sale
SKU: POLAR-900648811 [+ view all]
Weight: 1.50kg / 3.31lb > See More Info
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Polar A370 Fitness Tracker

Polar A370 is a sleek and sporty waterproof fitness tracker that helps you stay on the pulse 24/7 with continuous heart rate monitoring, advanced sleep tracking and Polar�s unique workout features.

Find the balance: be active, have a rest and enjoy.



Learn how your heart behaves in the twists and turns of your everyday life. Polar A370�s wrist-based heart rate monitor tracks your heart rate 24/7, so you�ll get a complete overview of your daily activity. Polar A370 shows you how many calories you�ve burned, reveals your lowest and highest heart rate and shows you how your heart rate varies during the day. When you�re working out, Polar A370�s heart rate guidance helps you train at the right intensity and drives you towards your fitness goals.



Sleeping well is vitally important to your health and well-being. Polar�s new advanced Sleep Plus sleep analysis makes you an expert on your own sleep and helps you towards a more balanced lifestyle. Sleep Plus gives you valuable insights to your sleep. It tracks the timing, amount and quality of your sleep and automatically detects when your sleep is interrupted. You can set your preferred sleep time and rate your sleep, and you�ll get sleep feedback. Learn about your sleeping patterns and think about what you can do to make the most of your night.



Polar A370 is BFFs with your phone. When you train outdoors, Polar A370 uses your phone�s GPS signal to track your pace and distance and to map out your route. Polar A370�s smart notifications keep you in the loop even when you don�t have the time to check your phone. You get notifications for incoming calls, messages, social media and calendar appointments right on the screen of your Polar A370.



Polar A370 is your ultimate training buddy. It makes your workouts easy and convenient with wrist-based heart rate tracking and helps you train at the right intensity with heart rate zones. Polar�s unique and scientifically validated Smart Coaching features guide you through your workouts and give you motivating feedback. An active lifestyle is about healthy choices outside the gym as well. Polar A370 keeps you on the move in your everyday life � it gives you a daily activity goal and reminds you to get up and move if you stay still for too long.







Polar A370 Fitness Tracker



Heart rate tracking with Polar A370 is simpler than ever. Your heart rate is measured easily, conveniently and accurately with Polar�s proprietary 2-LED optical heart rate solution.*


Join forces with your phone to get all the data you need. Polar A370 uses your phone�s GPS signal to measure speed and distance and to map your route for your outdoor sports.


Not a fan of running with your phone? When you go for a run without your phone or jump on the treadmill, Polar A370 tracks your pace and distance from the movements of your wrist.


Plan your workouts in Polar Flow and sync them directly to your Polar A370 to get guidance throughout your session. You can save your favorite workouts as favourites on your Polar A370 and do them again whenever you want.


You choose how you move. Choose your favorite sport profiles from a list of over 100 sports and add them to your Polar A370 to get the relevant data to the screen of your Polar A370 when you work out. Sport profiles also help you to keep track of your training log in Polar Flow.


Polar A370 keeps you connected with notifications from your phone. You�ll get alerts for incoming calls, messages, emails and calendar events.


Sitting for too long is bad for your health. If you stay still for too long, Polar A370 gives you a vibrating alert to make sure you take those important active breaks.




Polar A370 Fitness Tracker



  • Weight: 31.7g (S), 37.3g (M/L)
  • Wristband thickness: 13.5 mm
  • Wristband width: 23.5 mm
  • Wristband material: Silicone
  • Wristband size options: S, M/L



  • Waterproof (WR30)
  • Wide-viewing angle, full colour TFT display with capacitive touchscreen
  • Screen resolution: 80 x 160 pixels (RGB)
  • Screen size: 13mm x 27mm
  • Polar proprietary optical heart rate module (2 green LEDs, 1 photodiode, analog front-end)
  • Rechargeable 110 mAh battery
  • Battery life up to 4 days with 24/7 activity tracking, including 1 hour of training per day (without smart notifications in use) with continuous HR



  • Easy wireless sync via Bluetooth� Smart with the Polar Flow app
  • Micro USB connector for charging and data sync with PC or Mac via Polar FlowSync
  • Compatible with:
    Computer running Mac OS X10.6 or later and Windows XP, 7, 8, 10
    Mobile phones running iOS10 or later and Android 4.4 or later
    Polar Balance smart scale
    Polar H10 heart rate sensor
    Apple Health Kit, Google Fit, MyFitnessPal and MapMyFitness



  • UI languages: English, German, French, Spanish, Italian, Portuguese, Finnish, Swedish, Norwegian, Danish, Dutch, Japanese, Chinese (Simplified), Polish, Russian, Turkish, Czech, Indonesian



More Information

Polar A370 Fitness Tracker



Stay on the move every day. Polar A370 gives you a personalized daily activity goal that motivates you to keep moving throughout the day. Polar Activity Guide shows you how active you�ve been and gives you practical tips on how to reach that 100%.

It also tells you how much you need to do to reach the global recommendations for physical activity. With practical guidance like �walk for 50 minutes or jog for 20 minutes� you can choose how to reach your daily activity goal. Meet your goal faster with more intense activities or stay active at a slightly more moderate pace throughout the day.



When it comes to a healthy lifestyle, even the small things make a difference. Learn how your active everyday choices benefit your health and well-being. Activity Benefit tracks all your active choices during the day and shows how they help you stay healthy. It'll reward you when you've done enough and make you move if there's still a bit missing from your daily activity goal. Activity Benefit gives you daily, weekly and monthly feedback, because the more you move, the greater the health benefits. You can check up on how you're doing either from your mobile or from the web.



Polar A370 helps you keep track of the calories you�ve burned. You�ll be able to see the calories burned during each training session and for the whole day. The continuous heart rate measurement combined with 24/7 activity tracking make sure your calorie burn is measured accurately and reliably. OwnCal is the most accurate calorie counter on the market. It calculates the number of calories expended during a training session based on your weight, height, age, gender, your individual maximum heart rate (HRmax) and how hard you�re training.



Hook up Polar A370 with the Polar H10 heart rate sensor and test your aerobic fitness level without breaking a sweat in only five minutes. Polar Fitness Test measures your aerobic fitness from your resting heart rate, heart rate variability and your personal information. If you�re looking to improve your fitness and want to keep up to date with how well you�re doing, the smart Fitness Test will tell you exactly what you need to know in just five minutes. By regularly comparing your test results, you can see what progress you are making and how your fitness is improving.



Polar�s new advanced sleep tracking technology gives you insights to your sleep. It monitors your movement with extreme precision to give you a comprehensive overview of your sleep.



Stay on the pulse with 24/7 heart rate monitoring and get a comprehensive view on how your heart behaves during your day. Continuous heart rate monitoring helps.



Learn more about the effects your training has on your fitness. Polar A370 gives you feedback right after each workout and tells you how your workout benefits your body. Motivating feedback that�s delivered straight to you immediately after exercise is something we can all benefit from. So if you want to know the effect of different training sessions, this feature will tell you exactly what you need to know. You get a quick overview after each session, and for more detailed feedback, you can either check your training file or you can get further in-depth analysis at /



Train for a running event with a personal and adaptive training plan in Polar Flow. Choose from four different targets, 5K, 10K, half marathon and marathon, and get a training plan that fits you and your goals. You will receive a comprehensive training plan tailored to your desires and goals.



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