Two operation modes provide flexible file handling Manual division (default): one MP3 file per tape. To switch to automatic division, longpress the down key. The indicator light changes from green to blue. This mode records the entire tape as a single MP3 file. Automatic division: one MP3 file per song. Each track is saved as an individual MP3 file for easy navigation. Versatile cassette player and MP3 converter Use the device as a standard cassette player for listening to tapes. Convert tapes and other foreign audio directly into MP3 format stored on a USB flash drive. broad compatibility for digitizing diverse sources In addition to tapes, it supports converting other foreign audio sources directly to MP3 on USB. It can convert audio from oldfashioned record players, phonographs, VCDs and other sources into MP3 files on a USB flash drive. playback function to verify recordings After stopping, use the playback function to check the newly recorded file by pressing the play key. 23 practical use scenarios Archive legacy cassette collections: digitize each tape as MP3 files on a USB drive for easy storage, playback on modern devices, and longterm preservation. Digitize vinyl and analog media: convert old records, phonographs, and VCD audio into portable MP3 files that can be backed up to USB and enjoyed on current devices. Everyday listening and transfer: continue using the unit as a conventional cassette player while also creating MP3 copies for your digital library. Key attributes at a glance Function: cassette playback combined with builtin MP3 conversion to USB flash drive. Modes: manual division (default) and automatic division with clear mode indication (green to blue light). Compatibility: supports tapes, tapes with foreign audio, old record players, phonographs, VCDs, and other analog sources. Performance: provides two modes for flexible file organization and a straightforward way to verify recordings via playback. Storage: outputs MP3 files directly to USB flash drive for easy transfer and playback on modern devices.