Plug and Play USB powered operation. The floppy reader is powered directly from the USB port with no external power supply required. It is compatible with USB 1.1 and USB 2.0, and supports reading and writing 3.5 inch floppy disks with 720KB and 1.44MB. Anti-interference design. This floppy reader has strong anti interference capability for stable operation and is compatible with floppy drives of all computer models with a USB port. Lightweight and portable. The external floppy reader is compact and lightweight, easy to carry, and suitable for office use and travel. Wide compatibility. Supports Windows 98, 98SE, 2000, ME, XP, 7, and 8. Suitable for laptop, PC, IBM, Dell, Acer, HP and other devices with USB ports. Use scenarios - Retrieve files from old 3.5 inch floppy disks for archival projects or legacy data restoration. - Transfer documents from vintage disks to a modern computer during office work or IT maintenance. - Use while traveling to access or back up data stored on old floppies from laptops or desktops.