Infuse 7 PRO is a media player software for iOS and tvOS devices that allows users to play a variety of video and audio formats. The PRO version of Infuse provides features such as support for multiple file formats, streaming capabilities from cloud services, the ability to download subtitles, metadata fetching for movies and TV shows, and high-quality video playback options. It also offers support for AirPlay and Google Cast, as well as integration with services like Trakt for tracking watched content.