Characteristic: 1. Support mp3 / wma / WAV / FLAC / ape; 2. Support Bluetooth 5.0; 3. Digital tube display; 4. Support USB / TF (SD) / Bluetooth / FM / aux and other modes; 5. Power off memory function; 6. Support folder playing; 7. Support 5-10m far infrared remote control operation; 8. Support external audio input line input (aux); 9. Support radio frequency modulation, receiving frequency band (87.5mhz- 108.0mhz); 10. Button: four button multi direction control, vol - / Auto / vol + / mode;