Tekit&reg; Dual Slot Micro SD / SDXC / TF to Compact Flash CF Type I Card Reader converter Adapter for Nikon Cannon Carema Convert micro SD/ SDHC /TF to CF Type I Dual Slot micro SD TF Memory Card to Compact Flash CF Type I Adaptor Converter for Nikon Cannon Working for Nikon, Canon, Professional DSLR Camare Supports two different brands,capacity and speed ( on slow and smallest capacity one). Support UDMA6 Supports a single micro SD card or TF card up to 128GB. Supports CF true IDE mode/memory mode/IO mode,Equipped with push-push Micro SD socket Supports Windows/Mac OS/Linux,Support SD 3.0 ready and Windows exFAT. Support the I/O Mode, storage model and IDE mode. Support CF reader only, don't direct put into TF reader.