Item Type: Portable floppy drive Size: 3.5 inches 720KBUsable Current of USB Bus: 500 mA or less.USB Data Transfer Rate: Complete speed / 12 Mbps.Data Transfer Rate: 250 Kbits (720KB)Number of Cylinders: 80Speed: 300 rpm, Recording Speed: 360 rpmMedia: High density (2 HD) or normal density (2 DD).Supported Operating Systems: For Windows 10 / 7 /VISTA /Windows 8 / XP /ME/ 2000 / SE / 98Cable Length: Approx.58cm / 22.8inMaterial: PC .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 13.5-inch ultra-thin and lightweight USB external floppy disk is easy to carry, excellent for desktop and laptop computers. 2External floppy disk is with USB interface, which can be compatible with USB 1.1 / 2.0 / 3.0. 3High-quality floppy drive disk keeps durable and very beautiful hard plastic shell. 4Powered directly from the USB port, floppy disk is without external power supply with strong anti-jamming capability. 5Supported operating system is for Windows 10 / 7 / VISTA / Windows 8 / XP / ME / 2000 / SE / 98.