Check the listing for details. Nikura 50-in-1 Card Reader/Writer Rapid Data Transfer USB 2.0 Mac, PC Compatible. Condition: New. Listed at 13.95 USD. Nikura 50-in-1 Card Reader/Writer Rapid Data Transfer USB 2.0 Mac, PC Compatible. New Sealed Package. Functionaing as a portable USB Flash Drive or Card ReaderRead and write SD Card family (up to v1.1) & MMC Card family (up to v4.0)Adapter needed miniSD/ micro/SD MMCmicro/ MMCmobileFully compliant with USB 2.0 specificationEasy Plug & Play installation deviceUSB bus powered, no external power is neededFull USB transfer rate up to 480 Mbits/secFull data transfer rate: SD Card Family up to 18.5 MB/sec and MMC Card Family up to 11 MB/secConvenient and fast data exchange for MP3, PDA, Digital Camera, Mobile Phones, data, etc.No driver is needed for Wingdows 2000/ME/XP ac TM OS 9.1/OS X