You just need to start your unit with click the blue button twice to start it. And twice to end it. Then sync the session with the app.

better to initiates the session with the phone app , once it is going you can turn the phone app off as the battery of the device and your phone are taxed by the continuous sync. so if I use the iPhone on while I do an activity it u I get approx 24 hours from the X2, if I initiate it from the app the close the app on iPhone I get considerably more…Read More

Hi Philip. You can use electrode gel for better conductivity. However, some of our users have reported electrode gel could be slippery thus causing the strap to slip down while recording. We would not recommend the use of electrode gel for very rigorous activities and would suggest you use water.

Try the gel used for TENS machines. Easily obtainable and not expensive.

In my experience a “poor signal” message can be fixed by cleaning the metal contacts between the HRM pod and the strap. Specifically, I use contact cleaner and fix just one press stud at a time, which I then rotate to clean the surfaces. Contact cleaner may not be required, but it’s there that the problem manifests rather than between strap and chest.

Hello Robert,

Thank you for reaching out to us through Community.

Body Shock is the measurement of the force against the body while striking the ground. It represents the impact on your joints during sports like running and jogging. High Body Shock may predispose you to injuries in your knees & other joints.

We hope we were able to answer your…

fourth frontier offer these (paid) at a reasonble price) with medical specialists. or you cn share wiht your doc by PDF. soon maybe an AI will take your PDF ECG and analyze it for you.

Please refer this for more information on the same: https://fourthfrontier.com/products/frontier-heart-program