Importer520 (TM) Multi-function Data Cable MICRO USB OTG Card Reader (Charging+data transmission+Readcard) For Motorola Droid Razr HD XT926 Motorola Droid Razr Maxx HD XT926M (Verizon) - 2 Tone (Orange/Black) Open the cap, insert to computer USB port directly When the white switch on the SDside, the card reader function operating. When it on the USB side, the data transmission function operating Insert Micro SD card on the back side and read the card Micro USB interface, connect with mobile Mobile phone charging and data transmission. Cable Only Not included Memory