Polar A370
Polar A370
Polar A370
Polar A370
Polar A370
Polar A370
Polar A370
Polar A370

Polar A370


Tax included.
+Product Features



  • Continuous heart rate

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

  • Activity guide

    Stay on the move every day. Polar A370 gives you a personalised 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%.

  • Sleep plus

    Polar’s 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.

  • Smart calories

    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.

  • Training benefit

    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.

  • GPS via mobile

    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.


  • Wrist-based heart rate training

    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.*

    *In some sports we recommend a heart rate chest strap for optimal accuracy. Read more about wrist-based heart rate measurement . HERE

  • Sport profiles

    You choose how you move. Choose your favourite 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.

  • Phone notifications

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

  • Inactivity alerts

    Sitting for too long is bad for your health. If you stay still for too long the Polar A370 vibrates to make sure you take those important active breaks.

  • Speed and distance from the wrist

    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.

  • Training targets

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

  • Running Program

    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.


Plan your training

Plan all your training from individual workouts to full season plans.

Analyse your results

Get to the heart of your performance with the extensive training analysis tools.

Share with your coach

Share your training data with your coach or PT with the free Polar Flow for Coach service.

Get social

Share your highlights, join groups and let the Polar Flow community help you on your way to your goals.


Connect with online sports communities

Nike+ Run Club


Wristband width 23.5 mm


31.7g (S), 37.3g (M/L)


Full colour touch display, size 13 x 27 mm, resolution 80 x 160.


110 mAh battery. Battery life up to 4 days with 24/7 activity tracking (without phone notifications) and 1 hour of daily training.


Can I charge my Polar device with another kind of USB cable or via a wall outlet? READ MORE


GPS via mobile


Bluetooth Low Energy. Micro USB cable for charging and data synchronization.


Time & date. Vibrating alarm with snooze.

UI languages

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


Compatible with Polar Bluetooth Low Energy heart rate sensors.

Water resistance

Water-Resistant (WR30)


  • Polar A370 fitness tracker
  • Charging cable
  • Polar A370 getting started guide
  • Information note

*In some sports we recommend a heart rate chest strap for optimal accuracy. Read more about wrist-based heart measurement HERE