3.5inch USB External Floppy Disk Drive, Super slim and lightweight, easy to carry, Perfect for Desktops and Laptops External Diskette Drive with USB interface, USB 1.1/2.0/3.0 compatible Read/Write 1.44 MB floppy disk, Plug High quality hard plastic enclosure, durable and looking Powered directly from the USB port, no external power required, with interference preventer, has a strong anti-interference . 3.5 inch 720KB/ 1.44MB FDD. Available USB bus supply current: 500 mA or less. USB Data Rate: Full speed / 12 Mbps. Data Rate: 250 Kbits (720KB) / 500 Kbits (1.44MB). Number of Cylinders: 80. Rotation speed: 300 rpm, 360 rpm recording : MFM. Media: High Density (2 HD) or Normal Density (2 DD). Acerage Latency Time: 100 MSEC (1.44MB mode) 83.3 MSEC (720KB mode). Operating supported: MACOS8.6 Windows XP//2000/98SE Cable Length: about 40cm. Size: 11.7(L) x 10.6(W) x 1.9(H)cm. Weight: 350g. colour: Black Material: PC Note: This is a USB 3.5inch FLOPPY drive. It is NOT a USB CD-ROM or USB DVD-ROM. Can not Work with El Capitan on a 2015 for Pro and running Yosemite (10.10.5) Package Contents: 1 x External USB Floppy Disk Drive.(No Floppy Disk Disc included, illustration.) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.