FeaturesUSB 2.0 High Speed Transfer Can Read 4 different cards It can display 4 U-disk when connects to USB cable Specification3G SIM CF Slot CF Card,CFII Card,CF Ultra II,Micro Drive SD and MMC Slot SD Card, Mini-SD card, SD Ultra, MMC card, MMCII Card, RS-MMC card, HS-MMC Card, SDC Card, T-Flash MS Solt MS Card, MS Pro Card, MS MG Card, MS MG Pro card, MS Duo Card, MS MG Duo Card, MS Pro Duo Card, MS MG Pro Duo Card SMC and XDSlot SM Card, XD Card