Black 3.5 Inch 1.44MB USB 2.0 Portable External Floppy Disk Drive for Laptop Desktop Weight:278g; Dimensions:14x10.1x1.7cm Interface:USB (Universal Serial Bus) USB 1.1/2.0/3.0 compatible Powered directly from the USB port,no more external power needed Compatiable with All Desktop or Laptop computer which come with USB plug