In the video, a person is seen holding a smartphone in their hand. The phone is displaying an app that is designed to help users tune their guitar. The person is wearing a black jacket and is standing in front of a guitar. The app on the phone is showing a graphic of a guitar and some text that indicates it is a tuning app. The person is using the app to tune the guitar by playing a string and then adjusting the tuning pegs accordingly. The app seems to be giving real-time feedback on the tuning of the guitar. The video is shot in a well-lit room and the focus is mainly on the person's hand and the phone.