The 8-in-1 Flash Card Reader easily connects to any computer through its USB port and needs no external AC power. It supports data transfer up to 12MB per second and its hot-swap capability eliminates rebooting. You can eliminate the hassle of continuously connecting and disconnecting digital devices to the back of your computer and conserve batteries in your digital device by using USB power from your computer. The reader is easily accessible on your desktop, yet small and portable. It has LED indicators for both power and card slot operation. You can read or write to Compact Flash Card (Type I & II) , Smart Media Card, Secure Digital Card, Multi Media Card, Micro Drive, Memory Stick and Memory Gate. This package includes a 6 ft. USB device cable for desktop use.