Srutueo Fully compatible with USB 1.0 . Use USB Communications at , plug and play; Usage and application: Need a USB Line. Need a traditional mechanical floppy drive. Need a 3.5 Inches floppy disks, capacity of size 1.44 MB Or for 720 KB The floppy disk. Through USB Line can be inserted into the computer.So you can through the computer can carry out on a floppy disk read and write. Colour: green Material: plastic Package Contents: 1 * Drive module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.