Features: CF memory cards are fast, compatible and large in capacity, many electronic devices (only) integrate CF slots - such as digital SLR cameras. If you already have an for MMC/SD card, use this adapter card to convert it to a CF II interface to realize the interoperability between memory cards and reduce the total cost. for MMC/SD card is mostly used in new mobile phones, digital cameras, MP3, PDA and other electronic devices. The adapter card has high value retention and is difficult to depreciate. It can support up to 64G SD card, and mini SD/for MMC mobile/TF\Micro SD card. With this converter, CF/SD/for MMC cards can be read and written; usually put the converter in the CF slot, there is no protruding part, it is very convenient and practical. brand new and high quality for MMC/SD card can be converted into CF type II interface, CF card reader for digital cameras, PDAs, notebooks, USB, etc. Specifications: Support: SD SDHC for MMC Interface: CF Card Type II Supported capacity: 4GB~64GB Support system: for Windows 2000 / XP / VISTA / MacOS 10.4 and above Dimensions: approx 36 × 43 × 5.0mm/1.42x1.69x0.2in Package Includes: 1 PC x Adapter Card note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.