... FM+SD+USB+LED display+Audio in,DC 5.0V ,Mic port,Line in,TF,Built-in buttery(Nokia Battery),sling,data lines USB ... , Portable Sound System -FM+USB+SD Port+ LED Torchlight -Built-in battery with Battery boxUSB Portable Speaker SD Card, Portable Sound ... , anywhere. 3.Can play SD / MMC card directly* U disk in the MP3 format * do not need switching* with memory automatically ...