IOGEAR USB 2.0 SD Portable Card Reader - Dual Slot - Rate Up To 480Mbps - USB Powered - SDXC/SDHC/SD/Micro SDXC/Micro SD/Micro SDHC/M2/MS/CF/UHS-I - Mac/Win/Chrome - GFR204SD Card Reader Card Reader Card Reader About this item Bus Powered - No External AC Adapter Required Two Media Slots - SD/MMC and Micro SD Support Windows XP/Vista/Win7 or Mac OS9.X and Up USB 2.0 High Speed Data Transfer Rate Up to 480 Mb/sec Plug-n-Play Backed by IOGEAR’s 3-year warranty and FREE lifetime technical support Bus Powered - No External AC Adapter Required Two Media Slots - SD/MMC and Micro SD Support Windows XP/Vista/Win7 or Mac OS9.X and Up Plug-n-Play USB 2.0 High Speed Data Transfer Rate Up to 480 Mb/sec buy now.............