1. Bluetooth 5.0

2. One stereo line input port 3. One U disk interface, support U disk internal recording 4. Two channels 3.5 wired live broadcast interface

5. One way 6.35 stereo line output port One channel QN balanced line output port

6. Support condenser microphone input (CH1 combination jack only) 7. Support high-group input of musical instruments (CH2 single-channel input port only) 8. Support multi-stage connection function;

9. Support MP3 WAV WMA FLACAPE music format 10. Support single song or full loop function 11. Support separate adjustment of music and microphone volume

12. Support dual-mode charging function