12 in 1 internal card Reader. CF card, Magic Gate memony stick card, Magic Gate memory stick Duo media card, Memony stick card, Memory stick pro Duo card, Microdrive card. Full speed USB2.0 port with 12MB/s capability to access to computer, and convenient plug and play device. No external power needed. read speed>800MB/s, write speed>500MB/s. LED indicator to show power and data transfer status. FAT32, NTFS file system.