In the video, a person is seen wearing a black wristband on their wrist. The wristband has a button on it, which the person presses. The button is then released, and the wristband is shown to be adjustable. The person adjusts the wristband by sliding it up and down their wrist. The wristband appears to be made of a flexible material, and the button seems to be used to secure the wristband in place. The person's wrist and hand are visible throughout the video, and the background is a plain, light-colored surface.