1.44MB USB External Floppy Disk Drive (Black) Support USB 1.1 and 2.0; No external power required, powered by USB; Data transfer rate of 12 Mbps; Super slim and lightweight, perfect for traveller Rotation speed: 300 rpm, 360 rpm recording method MFM; Average latency time: 100 msec (1.44MB), 83.3 msec (720KB) Supports Windows 98/ME/2000/XP/Vista/7 3.5-inch Micro floppy Disks Package Components:1 X External USB Floppy Disk Drive Only (Not Floppy Disk Disc included)