Looking for a virtually universal product? This USB 2.0 6-in-1 card multi-card reader accommodates SD, SDUltra, SDHC, MMC, RS-MMC and HS-MMC. Some of the features include plug and play capability and compatibility with any PC or Mac USB port. Memory cards not included. This item measures 2-3/4" x 1-1/8" W and is ideal for students, professors, teachers and professionals alike.