... )USB external floppy drives 2)Interface:USB 1.1 Type A; 2.0 compatible 3)TEAC,Samsung,Sony etc. drive. 4)CE,FCC,ROHS pass usb ... and backup files in the computer.floppy disk is 3.5 inches to 3 inches, is often called. 3 inch ... , as long as the right way, they can keep 5-8 years. Using a floppy disk, you need to pay ... , and plug in the power cord and signal line;(5) in a few drops of the cleaning liquid in ...