1. Play USB/TF card in the mp3 audio file
2 External audio input
3.External power charging interface
4 FM auto sacn radio
5.Speaker with wireless autodyne system
TECHNICALSPECIFICATION:
1.Input DC-5V
2 Built-in Battery
3Frequency Response 150-18000hz
4. Power Output Rms 8W=the 10%
5.FM 87MHz-108MHz