Item Type: Portable floppy drive Size: 3.5 inches 720KB Usable 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: 80 Speed: 300 rpm, Recording Speed: 360 rpm Media: High density (2 HD) or normal density (2 DD). Supported Operating Systems: For Windows 10 / 7 /VISTA /Windows 8 / XP / ME / 2000 / SE / 98 Cable Length: Approx.58cm / 22.8in Material: PC13.5?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 / 98.1.This is a 3.5?inch USB floppy disk. It is not a USB Compact Disk?ROM or USB DVD?ROM. 2.Can't use for OS X / Captain on 2015 for OS X Pro running for Yosemite (10.10.5) 3. The product is a floppy disk drive, excluding floppy disks. 4.The product is suitable for 1.44M3.5 inch MF2?HD floppy disk.1 x Portable Floppy Drive1 x User Manual