1. bluetooth5;
2. app control;
3. all the way to the same input;
4. all the way to the guitar input;
5. all the way aux input;
6. all the way3.5 stereo headphone headphones;
7. all the way usb multi-function interface; (support otg)
8. supports mp3 wav wma flac ape music format;
9. supports music. microphone. individual guitar volume adjustment
10. supports dual-mode charging function on or off
11. supports 0.96-inch chinese display;
