Multi-function All in One Card Reader Usb 2.0 (blue/green/orange/purple) USB 2.0 High Speed Data Transfer Rate Up to 480 Mb/sec. Two Media Slots - SD/MMC and Micro SD. Support Windows XP/Vista/Win7 or Mac OS9.X and Up. Bus Powered - No External AC Adapter Required. Small size, easy to carry. Color at random.