Dual Slot micro SD TF Memory Card to Compact Flash CF Type I Adaptor Converter for Nikon CannonWorking for Nikon， Canon， Professional DSLR CamareProduct features :Type : CF Type I (3.3mm think)Support Micro SD， SDHC and SDXC.Supports two different brands，capacity and speed ( on slow and smallest capacity one).Support UDMA6Supports a single micro SD card or TF card up to 128GB.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.