1. Reverberation adjustment, Bluetooth connection, built-in sound card, dynamic pickup, variable sound effect, dynamic photosensitive effect, DSP chip, long-lasting battery life, TF card playback 2. Listen to your ears and monitor back to your ears 3. Audio-visual integration, dynamic rhythm light 4. DSP intelligent digital mixing chip, independent processing of human voice, high, middle and low audio structure 5. Subwoofer loudspeaker, powerful stereo sound 6. Backing vocals and original vocals, one-key switch 7. A variety of sound effects, original sound effects, loli sound, male god, goddess sound, warcraft sound 8. Function keys, clear at a glance, simple operation 9. Built-in sound card, dynamic balance adjustment 10. Battery capacity: 1200mah 11. Bluetooth version: 5.0 12. Material: ABS+metal iron mesh+electronic components 13. Input voltage: DC 5V 14. Bluetooth distance: 10 meters 15. Signal-to-noise ratio: greater than or equal to 60db 16. Scope of application: home, computer, stage, camera, recording, musical instrument, meeting, interview 17. Packing list: host, manual, data cable, packing box 18. Battery life: 6-8 hours 19. Charging time: 2-3 hours 20. Frequency response range: 100-10000Hz 21. Headphone jack: 3mm 22. Size: 21.5x5cm 23. Weight: 295g