How to Pair Bluetooth Devices to a Polar A370

Introduction

Offering personalized activity and exercise guidance, the waterproof Polar A370 integrates continuous heart rate and fitness tracking with Sleep Plus analysis and phone-assisted GPS.

This guide will guide you through the pairing process with your Polar A370 fitness tracker.
Polar A370

? What kind of device would you like to pair with your Polar A370?

  1. Mobile Device
  2. Heart Rate Sensor

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Offering personalized activity and exercise guidance, the waterproof Polar A370 integrates continuous heart rate and fitness tracking with Sleep Plus analysis and phone-assisted GPS.

This guide will guide you through the pairing process with your Polar A370 fitness tracker.
Polar A370

Your Polar Fitness Tracker can be setup using your smartphone or tablet.

  • On your phone or tablet, this guide will help you make sure Bluetooth is enabled, the app is installed, and guide you through first-time setup.Multiple Polar product offerings and mobile devices displaying the Polar Flow app.
  1. Swipe down from the top of the screen.
    Swipe down
  2. Tap the Bluetooth icon to enable it.
    Bluetooth Enabled
    Bluetooth Enabled
    Bluetooth Disabled
    Bluetooth Disabled
  1. Launch the Play Store on your mobile device.
    Google Play Store.
  2. Tap in the search box at the top of the screen.
    Google Play Store with Search bar highlighted.
  3. Search for "polar flow" and tap on the found app.
    Keyword highlighted in Google Play search.
  4. Tap Install and then Open to use it.
    Install button highlighted in Play Store for found app.
  1. Launch the Polar Flow App.
    Polar flow app icon

  2. Select Get Started.
    polar flow app welcome page

  3. Sign in with an existing Polar account or select Create Account to create a new Polar account to log into.
    Polar flow app sign in page

  4. Once you are logged in, you will be prompted to add a device to the Polar Flow app. Ensure Bluetooth is turned ON on your mobile device, and make sure you are near your Polar device (within 10 feet).
    polar flow app add device

  5. Once your mobile device has found your Polar device, follow the on-screen instructions to complete pairing your Polar device with your mobile device.
  6. You should now be at your main/home screen of the Polar Flow app. Congratulations! Your Polar device will now begin synchronizing with the Polar Flow app automatically when it is in range of your mobile device.
    polar flow app home screen
  1. Open Settings.
    iOS Settings.
  2. Select Bluetooth.
    iOS Bluetooth
  3. Ensure that the Bluetooth toggle is in the On position.
    Bluetooth toggle switch highlighted in iOS settings.
  1. Launch the App Store on your mobile device.
    Apple App Store.
  2. Tap Search in the bottom right corner.
    App Store Search Button.
  3. Search for "Polar Flow" and tap on the found app.
    Keyword highlighted in App Store search.
  4. Tap Get and Install, then Open to use it.
    Get button highlighted in App Store for found app.

When using a Polar Bluetooth Smart heart rate sensor, A370 does not measure heart rate from the wrist.

Polar watch with heart rate sensor.
  1. Go to Settings on the main menu.
    Settings.

  2. Tap the Heart Rate sensor mode icon. You’ll get a confirmation message as the A370 begins to measure your heart rate and is available for Bluetooth pairing.
    Heart rate sensor mode.

  3. Turn your Heart Rate sensor on and bring it close to your A370 device.
  4. Once your A370 detects the Heart Rate sensor, you will be prompted to pair. Tap the Green check to pair the two devices.
    Polar watch detecting the heart rate sensor highlighting the green check mark.

  5. Once paired, when your heart rate has been found, it’s displayed on the A370 display.
    Polar watch displaying current heart rate on the watch face.

  6. Your Heart Rate sensor is now paired! You can now start your training sessions via your Polar A370 using your own Heart Rate receiving device.
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