Frisby All in One USB 2.0 Memory Card Reader for Computers and Macintosh Works with any computer, laptops, MACs and Reads/Writes on MS, MS Duo, MMIC, SD, Mini SD, XD, SM, CF, MD Memory Cards USB 2.0 High Speed Interface; access speed reaches 12 Mb/s or 480 Mb/s. USB bus, DC +5.0V directly from USB port, powered. AC Power Adapter is not required. Data in inserted cards can be exchanged in different sockets. Comes with Manufacturer 1 year limited warranty