The Tripp Lite USB to Serial DB9M Adapter is a portable USB data transfer cable that can make any serial device compatible with a computer with a USB drive. This means that you can use the USB 1.1 Serial Adapter to connect your camera or MP3 player to your computer with it. The male to male cable is easy to use as it does not require any special software and you can simply plug and play. The high quality RS 232 Serial Cable is double shielded and has tinned copper braid and aluminum Mylar foil shield that makes it efficient. The cable offers a data transfer of 230kbps and comes with a lifetime warranty.