The video shows a person wearing a smartwatch and using it to track their physical activity. The watch has a black band and a black screen with blue icons. The person scrolls through the watch's menu, selecting different options such as "Activity," "History," and "Statistics." They then select "Running" and choose "Running Sport Type" from the list of options. After selecting "Running," the person starts the activity and begins running. The video also shows the person's hand and the watch's screen as they run.