1. support usb flash drive interface to play music directly;
2. support mp3 format and wav, wma, flac, ape and other lossless decoding methods;
3. high-fidelity bluetooth 5.0;
4. third-generation power intelligent management, intelligent energy-saving power off, ultra-low voltage battery intelligent protection;
5. a 3.5 line input interface, which can be connected to a variety of audio source inputs (dvd, mobile phone, flat-screen tv, computer, etc.);
6. built-in dsp chip, support guitar and microphone multiple effect mode adjustment;
7. support microphone priority function;
8. support the function of eliminating original singing;
9. support microphone anti-whistling function;
10. support usb flash drive recording function;
11. otg live broadcast function (otg live port)
12. 3.5 headphone output port;
13. 6.35mm stereo output interface;
14. 6.35mm guitar or microphone input interface;
15. guitar independent effect adjustment;
16. a 6.35mm wired microphone input interface;
17. microphone independent treble, midrange, bass and effect adjustment;
18. single, all loop playback function
19. music volume and microphone volume can be adjusted independently;
20. chinese character oled function display;
21. intelligent power indicator function;
22. support dual-mode charging function on and off;
