The AUCR300F provides a convenient way of transferring data between your cellular phone or camera and computer. This is the perfect solution to transfer all of the pictures sitting in your phone of camera to your computer. You can also transfer MP3 music from your computer to your phone. Simply insert your cellular memory card such as micro SD or your cameras SD card into the media slot and plug into your computers USB port and you are ready to start transferring. No software installation or power is necessary. Your media will appear as a removable drive on your computer and simply drag and drop all your data using your mouse. It's that easy!