[Multifunctional Storage & Transfer Testing] This converter provides another convenient way to achieve multifunctional data storage, transfer and testing between motherboard and sound/display/memory card. [Wide Compatibility Range] Compatible with SD1.1, MMC2.0 and SDHC memory card specifications, ensuring a wide range of compatibility with various devices. [Large Capacity & High Transfer Speed] Supports 32GB-64GB SD cards with a data transfer rate of up to 22MB/s, meeting the demand for large capacity and high data transfer speed. [Quick and easy boot] Ideal accessory, especially for computers that require fast booting, such as POS systems. As an SD/MMC card reader/writer, it provides you fast and convenient data storage and access. [Worry-free Guarantee] If you are not satisfied with the product, please feel free to email us, we will reply and help you solve the problem at the first time. Your satisfaction is our greatest pursuit.