DESIGNED FOR PROFESSIONAL USE - The USB memory card reader is designed for the need of high data transfer rates of professional photographers and movie makers . THE WORLD'S FASTEST CFAST, SD AND MICRO SD CARD READER WRITER - The reader supports 300MB/s UHS-II micro SD/SD 4.0 transfer speed and 525MB/s C Fast Compact Flash 2.0 transfer speed . PERFECT FOR MAC BUT NOT ONLY - The C Fast, SD and micro SD reader is optimized for all devices with a USB-c port and the design fits perfectly with MacBook . BUILT-IN USB-C CABLE - The SD, micro SD and CF card reader comes with a sturdy 120mm long USB-c cable that allows you to plug in and out the cards without removing the memory card adapter . COMPACT SIZE, MAXIMUM PORTABILITY - The C Fast, SD, micro SD card reader USB C finds space in any pocket thanks to its compact size: only 55x60x15mm