Start by pairing your Shapeheart heart rate monitor via Bluetooth in your iPhone settings.

This step first involves activating Bluetooth on your phone.

This step first involves activating Bluetooth on your phone.

Then select the Shapeheart heart rate monitor that appears in the detected devices.

Switch to the iPhone Health app and authorize data transmission.

From the "Sources" module located in the main menu at the bottom of the screen, select Nike + Run Club.

Then "Enable All Categories" to allow Nike + to access health data.

Return to the Nike Running Club app, click on the "Settings" icon at the bottom left.

Enable heart rate display then start your run.

Your heart rate should display when starting a run. Note: the monitor may turn white and appear to shut off — on Nike, this is normal. As long as you haven't started a run, it's in standby mode.