The Media Control card is used to display Media Player entities on an interface with easy to use controls.
Screenshot of the Media Control card.
To add the Media Control card to your user interface, click the Lovelace menu (three dots at the top right of the screen) and then Edit Dashboard. Click the plus button in the bottom right corner and select Media Control from the card picker.
Alternatively, the card can be configured using YAML:
type: media-control entity: media_player.lounge_room