Transcend's RDC2 is an OTG (On-The-Go) smart reader specifically designed for Android smartphones and tablets that come with the next-generation USB Type-C port. In addition to an SD card slot and a microSD card slot, Transcend's RDC2 also has a standard USB Type-A port that allows you to connect accessories such as USB flash drives, keyboards, or mice to your Android smartphone or tablet. Download the free Transcend Elite App to easily manage digital files on your Android smartphone or tablet.