The video shows a person's hand holding a smartphone and scrolling through a health app. The app displays a heart rate monitor with a graph of the heart rate over time. The person scrolls through different screens, showing the heart rate at different times of the day. The heart rate is consistently around 76 bpm. The app also displays the average heart rate and the normal sinus rhythm. The person's hand is visible throughout the video, and the smartphone screen is the main focus.