Features:Supports Micro SDXC/SDHC/SD/MMCMicroSDXC: by firmewareupdate(64GB)Micro SDHC: 4GB to 32GB(class 1 to 10)Micro SD: 8MG to 4GBSupports CF true IDE mode/memory mode/IO modeSupport CF UDMA mode data transferEquipped with EEPROM fpr future firmeware updateEquipped with push-push MicroSD scoketSupports Windows/Mac OS/LinuxProduct characteristicsConvert micro SD / SDHC / SDXC to CompactFlash adapterStandards Compliance: CF Type I,IIVoltage: 3.3 V-5.0VNote: The adaptor only converts the real speed of the memory card applied to it. No transfer rates should be marked on the adaptor . The Micro SDXC support only exFAT file is compatible with Micro SDXC, the workingOS of the device must support exFAT(FAT64) file system.