Transcend, RDF2 Card Reader, micro USB, USB 3.1 Gen 1, Transcend's CFast 2.0 RDF2 Card Reader is exclusively designed for professional cinematographers who pursue extreme transfer efficiency with CFast memory cards. With the USB 3.1 Gen 1 interface, RDF2 shows the amazing transfer speeds. The professionals can save a significant amount of time transferring high-resolution files and focus on their work instead. RDF2's compact and portable design allows the users to easily carry it around with them from studio to the filming spot without adding any burden.