It has a 2-foot USB cord. (Others tend to be shorter ... These stores typically have used 3.5-inch floppy disks for sale, and you can expect to pay around $0.25 per disk.
The original 8-inch floppy disks had a storage capacity of about 80 kilobytes. However, as the technology progressed, they eventually managed to store up to 1.2 megabytes by the end of their reign.