In the video, a person is holding a black Lenovo phone in their left hand and a yellow and black infrared thermometer in their right hand. The thermometer is pointed at the back of the phone, and the person is using it to measure the temperature of the phone. The thermometer's screen displays the temperature readings, which fluctuate between 38.5°C and 42.5°C. The person's hand is steady, and the thermometer is held at a consistent distance from the phone. The background is a plain white surface, and there are no other objects or people visible in the frame.