USB 2.0 Data Link Cable(support Optical Drive sharing) Data Link Function: This cable enables you to connects your computers USB port to another computers USB port, so you can conveniently transfer files and data at super fast USB 2.0 speeds! Optical Drive Sharing Function: With the past few years small and slim of all types of laptops (Tablet / Netbook / UMPC / CULV) become popular, more and more people use this type of laptop. But due to costs and limited internal space mechanism design, this type of small laptop is usually not with built-in optical drive. With plug and play cable, you can directly to use CD-ROM drive which attached on the other computer through a simple USB cable, this make your small laptop which is not only easy to carry, but also save purchased a external optical drive costs! Features: 1. Compatble with PC Windows Win7/Vista/XP/2000/Me/98SE. 2. The Best solution to file transfer:only two steps are needed . (1) Plug each end to usb port on computer tehn files from two computers can be seen on each monitor . (2) transfer files by drag-&-Drop . 3.Host-to-host ( peer-to-peer)via USB ports. 4.Data transfer rates up to 480 Mbps 5.Best for computer data back up /restore/synchronization or file sharing . 6.Driverless design 7.LED indicator for connection and data transmission status 8.Cable length:2M