SDHC Card Reader (Smoke) - Compatible With Sony, SanDisk, Toshiba, Lexar Card Reader uses USB 2.0 (data transfer up to 480 Mbps!) Reads many card types: SD, SDHC, mini SD, MMC, MMC II, RS MMC, MMC micro, Ultra II SD, Extreme SD, Extreme III SD, T-Flash Compatible With Vista/XP/2K/ME/98SE; Mac OS9 and up Powered by USB connection: no extra power supply or cable required