Super Speed 5Gbps - With standard USB 3.0 technology, the USB SD card reader allows you to transfer HD movies or large files in seconds.[USB C & USB 3.0 Ports] Either interface of SD card reader can transfer files 10 times faster than USB 2.0, which is ideal for transferring and playing photos, documents and movies from SD/Micro SD cards to laptops, computers, smartphones and other OTG devices.[Wide Adaptability]Compatible with most USB C/A devices. USB C SD card reader can read memory cards up to 2TB such as SD, Micro SD, SDHC, Micro SDHC, SDXC, Micro SDXC, MMC, RS-MMC and UHS-I cards. Supports Windows, Mac OS, Chrome OS and Android systems. (Support for USH-I cards means UHS-II cards plugged into our USB Micro SD card reader will also read at UHS-I speeds.).[Compact & Lightweight] SD to USB adapter is made of high quality durable plastic and high quality chips. It has a safety cover design that can effectively protect the USB male connector and the Micro USB male connector from dust or falls. It has a simple appearance and light touch, making it easy to carry. , ideal for accessing SD/Micro SD cards when needed.[2 in 1 SD Card Reader] Micro SD card adapter contains 2 card slots to insert cards to avoid repeated insertion and removal, USB SD card reader has both TF card slot and SD card slot, dual card accessible, plug-and-play, no extra power required, increasing your efficiency. Transfers can be done simultaneously between 2 slot cards or between OTG device and 2 cards.