Precision Design USB 2.0 All-in-1 Card Reader for CompactFlash CF I/II, MicroDrive, SecureDigital SD, SDHC, MultiMedia MMC, xD Picture Card, Memory Stick MS & Memory Stick Pro Duo Compliant with high-speed USB 2.0 Supports numerous memory card formats, such as CF, SD, SDHC, MS, xD and MMC Data can be exchanged between sockets USB bus powered -- no external AC adapter required! Supports Windows 98SE/ME/2000/XP/Vista, and Mac OS 8.6 or higher