USB-C SD 4.0 UHS2 card reader Features the latest UHS-II SD and Micro SD card slot Simultaneously read and write on two cards SD Slot to offer transfer speeds of up to 206 MB/s of reading and 190 MB/s of writing Micro SD Slot to offer transfer speeds of up to 225 MB/s of reading and 190 MB/s of writing OTG function supports for cellphone V60 Vidoe Speed Class,Supports 1080p video reading Compact design and lightweight aluminum casing for superior portability