1. The ultra-thin and lightweight 3.5 inch USB external floppy disk is easy to carry, ideal for desktop and laptop computers. 2. The external floppy disk has a USB interface, which can be compatible with USB 1.1 / 2.0 / 3.0. 3. The high quality floppy drive keeps a durable hard plastic shell and very beautiful. 4. Powered directly by the USB port, the floppy disk is external power supply with strong anti-jamming ability. 5. Supported operating system is for 10/7/VISTA/ 8/XP/ME/2000/SE/98. Specification: Item Type: Portable Floppy Disk Drive Size: 3.5 inches 720 KB USB bus usable current: 500mA or less USB Data Transfer Rate: Full Speed / 12Mbps Data transfer rate: 250 Kbits (720 KB) Number of cylinders: 80 Speed: 300 RPM, Recording Speed: 360 RPM Support: High Density (2HD) or Normal Density (2DD). Supported operating systems: For 10 / 7 /VISTA / 8 / XP / ME / 2000 / SE / 98 Cable length: approx. 58 cm / 22.8 inches. Material: PC. Package list: 1 x Portable Floppy Disk Drive 1 x user manual (English language not Note: 1.This is a 3.5 inch USB floppy disk. This is not a compact USB ROM or a USB DVD ROM. 2.Cannot be used for OS X/Captain on 2015 for OS X Pro running for Yosemite (10.10.5)3. The product is a floppy drive, except floppy disks. 4.The product is suitable for MF2‑HD 1.44 M3.5 inch floppy disks.