How do I turn off heart rate on my smartwatch? Press the middle button to access watch menu. Select the gear icon to access the watch settings, then find the Heart Rate to turn tracking off and on. Related articles Does my CZ Smart Gen 2 Hybrid smartwatch monitor my heart rate? How do I turn off GPS on my smartwatch? How to use the Riiiver Features on the Hybrid Gen2 Smartwatch What type of activity data does my CZ Smart Gen 2 Hybrid smartwatch track? How can I access the settings menu?