- Supports files located in the root directory of the USB flash drive and up to 999 folders, enabling flexible file access and organization without special setup. - Plug-and-play with USB flash drives; no special processing or drivers required for use, simplifying installation and use. - 32-bit CPU design provides high integration and reliable performance, contributing to stable operation. - Physical appearance matches standard 3.5 inch floppy drives: same overall size and installation hole position, allowing easy replacement in existing 3.5" drive bays. Use scenarios: - Upgrade legacy computers that use a 3.5" drive bay by replacing the old drive with this USB-based solution, avoiding chassis changes. - Office or lab environments that need quick access to documents stored on USB drives in root or nested folders, with straightforward plug-and-play use. - Field service or industrial PCs where a compact, bay-compatible USB access device simplifies data transfer and retrieval without additional setup.