Features: 1) All in one 2) Suitable for MS, MS Pro, MS-Magic-gate, MS Duo, MS Pro DUO, RS MMC, Mini SD, MD, CF, CFII, SM, XD, MMC, MMC II, and SD cards 3) USB2.0 4) No driver needed 5) Read high speed over 4.3Mbps, write high speed over 1.3 Mbps