File List
Shows a list of saved files including their metadata (type, size, duration, etc.).

File List
All files stored on the SD card are displayed in a sortable table. Each entry includes:
- Name – Auto-generated file name, typically prefixed with a date/time stamp.
- Type – Format of the file (e.g., WAV).
- Size – File size in bytes.
- Date – Timestamp when the file was recorded.
- Duration – Length of the audio signal recording.
Clicking a row selects the file for playback and passes it to the Playback File section below.