Ulefone S1 3G Smartphone - 5.5 Inch, MTK6580 Quad-Core 1GB RAM 8GB ROM, Android 8.1 - GoldKey Features...Support file playing function, can be classified as pop songs, classical songs, songs like his wife, etc, to create different folders in the memory card inside were easy to play.Support high-capacity SD card / MM card, U disk and other memory playback.Electronic tuning radio function, automatic..