In the video, a person is seen holding a white and blue device in their hand. The device appears to be a small, cylindrical object with a blue top and a white body. The person's hand is visible, and they are using their fingers to push a button on the side of the device. The button is located near the bottom of the device, and the person presses it several times. The device seems to be made of plastic, and there is a small screen on the top part of the device. The person's hand is steady, and they seem to be demonstrating how to use the device.