You can also manually check your heart rate at any time using the built - in Heart Rate app. (tomsguide.com)
If you prefer you can also check your heart rate by interacting with the touch display if you have your hands free. (androidheadlines.com)
Just this morning as I was at the gym I kept checking my heart rate on the band to make sure I was getting in a good cardio - focused workout. (modlychic.com)