Combo USB Card Reader:1) wiht 3 Port USB HUB 2)SD card 3)Windows98/SE/ME/2000/XP/Vista, Mac OS 9.2 and later versions Combo USB Card Reader:1) wiht 3 Port USB HUB2)Support Windows98/SE/ME/2000/XP/Vista, Mac OS 9.2 and later versions3)Supports: SD,SDHC, Mini SD, MMC, RS-MMC, MS, MS DUO, MS PRO DUO, MiniStick, Memory Stick Duo, Memory Stick Pro, T-Flash, M2 new design two-tone USB Card Reader