Supported Bluetooth Heart Rate Monitors

Breath Ball (version 6.0 or later) supports any Bluetooth Heart Rate Monitors that implements the standardized Bluetooth Heart Rate Profile. Here’s a list of supported devices that have been confirmed:

Having trouble connecting your Bluetooth heart rate monitor?

See Bluetooth troubleshooting.

  • Polar H9, H10
    Type: Chest strap
  • Wahoo TICKR
    Type: Chest strap
  • Garmin HRM – Faulty! See comment below!
    Type: Chest strap
  • Scosche Rhythm 24 (Thanks, Christoph)
    Type: Armband
  • Morpheus M7 (Thanks, Margarita)
    Type: Chest strap

The following heart rate monitors should work, but have not yet been confirmed:

  • Berry King Heartbeat
    Type: Chest strap
  • Wahoo TICKR Fit
    Type: Wristband

Devices on the list below are incompatible – i.e. these won’t work:

  • Viatom O2 Ring
    Type: Ring.
  • Amazfit Band 5
    Type: Smartwatch
  • Garmin Forerunner 55
    Type: Smartwatch
  • Polar Verity Sense
    Type: Arm strap
  • Polar Ignite 3
    Type: Smartwatch
  • Soundcore Liberty 4
    Type: Earbuds
  • Garmin Fenix 7
    Type: Smartwatch

How to tell if a Heart Rate Monitor is supported by Breath Ball?

In general, any Heart Rate Monitor that that supports the standardized Bluetooth Heart Rate Profile should work. But to be sure, there are two ways to verify:

  1. Try to connect to a Heart Rate Monitor in Breath Ball.
    If the connection fails, there will be an error. If it succeeds, the heart rate monitor icon at the top right corner will change.
  2. Using a generic Bluetooth LE scanner app:
    If a Bluetooth LE scanner app displays “Heart Rate Service” (Service ID: 0x180D), for a given Heart Rate Monitor, then it should work with Breath Ball.

Bluetooth Troubleshooting

If Breath Ball cannot find or connect to your Bluetooth heart rate monitor, try the following steps:

  1. Remove the heart rate monitor from your device’s Bluetooth settings
    Most Bluetooth heart rate monitors should not be paired manually through your phone’s or tablet’s system settings. Breath Ball establishes the connection directly. If the heart rate monitor appears in the list of paired or saved Bluetooth devices, remove or forget it, then try connecting again from within Breath Ball.
  2. Close all apps that may be using the heart rate monitor
    Many Bluetooth heart rate monitors support only one active connection at a time. Once another app has connected to the monitor, it may stop advertising and will no longer be visible to Breath Ball. Close Breath Ball and any other apps completely. Then reopen Breath Ball and try again.
  3. Turn Bluetooth off and on again
    In rare cases, the operating system’s Bluetooth service may become unresponsive or run out of available resources. Turn Bluetooth off, wait a few seconds, and turn it on again. If this does not help, restart your phone or tablet.
  4. Check nearby phones, tablets, watches, and computers
    Make sure that no other device is currently connected to the heart rate monitor. This may include another phone, tablet, smartwatch, fitness device, or computer that has previously been used with it.
  5. Make sure the heart rate monitor is active
    Some chest straps only activate when both electrodes are moist and the strap is being worn. Follow the manufacturer’s instructions to ensure that the monitor is switched on and transmitting.
  6. Contact support
    If the connection still does not work, open the Help screen in Breath Ball and tap Contact support. This will create an email containing useful diagnostic information. Please include the manufacturer and exact model of your heart rate monitor, then send the message. We will take a closer look at the issue.

Garmin HRM 600

The Garmin HRM 600 currently has a severe issue: it transmits RR intervals (the time between heartbeats) too frequently. This distorts the signal and leads to a total sum of RR intervals that is noticeably longer than the actual recording duration. As a result, the data is not suitable for reliable HRV analysis.

In addition, the recordings may contain a higher number of artifacts (implausible RR intervals) than expected.

We recommend installing the latest firmware update to check whether the issue has been resolved. If the problem persists, using a different heart rate monitor is advisable.

You may notice that other apps appear to work fine with the HRM 600. This is often because they do not validate the quality of the recorded data. However, if the input data is inaccurate, any derived results will be unreliable as well. Therefore, apps that do not flag invalid data should be interpreted with caution.

Please help expanding the list of supported Heart Rate Monitors

If you can confirm that a devices will (or will not) work with Breath Ball, please let us know about. Simply enter the name of the manufacturer and the name of the product in the form below and press “Send”.

Thank you for your help.