The Olympus MAUSB-500 USB Reader/Writer can read and write images, data, audio and movies from xD-Picture cards, quickly, with its USB 2.0 Hi-Speed interface. It easily plugs into the USB port on your computer and does not require batteries or AC power, since it draws power right from the USB port. The Reader/Writer is compatible with all types of xD-Picture cards (Standard, Type-M & Type-H; up to 2GB capacity) and works with both Windows and Macintosh Systems without any need for installing drivers or other software.