NVivo allows you to store and organize your data in one place, and to link different sources and types of data. For example, you can link transcripts to audio files, or photos to notes.
You can also transcribe audio or video files using NVivo Transcription, a cloud-based service that converts speech to text. To organize your data, you can use folders, cases, classifications ...
but assumes no prior knowledge about NVivo. You may like to bring your own research materials with which to work on the second day (e.g. literature files (PDFs are fine), transcripts of ...