Importer520 (TM) Micro USB 2in1 OTG/Micro SD Memory Card Reader Adapter, USB OTG Adapter, USB Memory Card Reader For HTC Radar 4G (T-Mobile) - Green Compact yet convenient design Easily connect and transfer data to PC, tablets and smartphones Supports USB 2.0 transfer rate, no driver needed Use as additional data storage (with another micro SD card inserted) Supports micro SD/T-FLASH series. Memory not included