... slot 4.Rechargeable battery LCD display,Support SD card, and FM radio , U-disk and read-write SD card,MP3/WMA / WAV ... and one button control all function2. Support SD card, and FM radio , support MP3/WMA / WAV /APE/FLAC file format 3. Support ... injected plasticSignal transfer: AUX in 3.5mm,USB ,SD card& FM radioPower: USB, Removable Lithium Battery (Nokia BL-5C, 1000mAh )Output ...