In the video, a man is seen holding a smartphone in his hand. The phone is encased in a colorful plastic holder that is attached to the phone with rubber bands. The man is using his thumb to navigate through the phone's interface, scrolling through various screens and applications. The phone's screen displays a variety of colorful icons and images, including a blue planet and a music player. The man appears to be testing the phone's responsiveness and functionality while using the holder.