(1)BT/APE/FLAC/MP3/WMA/WAV Compatible (2)USB connector /SD MMC Slot (3)Screen Angle/Position Memory (4)/FM Strereo Receiver (5)Auto Memory Store/Present Scan (6)TDA7388 High Power Output (7)4 Channel RCA Preamp Output(2V Preout) (8)AUX Input Product Specifications: Built-in Bluetooth + microphone. Hands-free calls Supports Advanced Audio Distribution Profile Off time display function Digital high-quality FM stereo radio、 Preset 18 stations (frequency: 87.5-108 MHz) Support USB / SD / MMC card reader Support Audio: MP3 / WMA / APE / FLAC / WAV、 etc. Support folder function Support breakpoints and ID3 Play Support Remote controlRotary Volume Control MP3 randomized、 10 track up / down playback Electronic control volume treble、 bass、 balance and fader Multiple EQ Scene Selection: jazz、 rock、 pop、 classical、 etc. Mute and Loudess control L / R RCA audio output jacks 4-channel high power output (4 loud speaker) Machine size: 178 mm (W) * 50MM (H) * 125 mm (D) Overall dimensions: 188 mm * 58mm (H)