In the video, a person is holding a yellow and black thermometer in their right hand. The thermometer has a digital display that shows the temperature reading. The person is using the thermometer to measure the temperature of a smartphone, which is held in their left hand. The smartphone has a colorful screen and is turned on. The person moves the thermometer around the phone to get an accurate temperature reading. The temperature reading on the thermometer changes as the person moves the thermometer around the phone.