1. Material: ABS plastic + electronic components 2. Parameter configuration: Bluetooth 5.1 3. Frequency response range: 40Hz-18KHz 4. Power: 5W 5. Power supply: 800mAh 6. Signal-to-noise ratio: 85dB 7. Input voltage: 5V/1A 8. Speaker unit: 52mm 9. Receiving distance: 10 meters 10. Charging voltage: DC4.8-5V 11. Support TF card expansion playback 12. 360-degree surround sound field, uniform sound effect 13. TWS wireless connection for duet singing 14. Large diameter microphone core, clear sound quality, prevent howling 15. Configure the DSP chip, through the professional sound card-level bel canto algorithm, dynamically optimize the vocal performance and prevent howling 16. Children's Bluetooth microphone, cute rabbit pattern, a variety of magic sounds can be switched at will 17. It can be connected to the mobile phone at any time, easy to carry, and can sing loudly whether it is party or camping 18. Bluetooth microphone built-in sound card, beautify the sound effect, professional mixing chip with noise reduction processing, the sound quality is clear 19. Not only can you sing, but you can also use it as a Bluetooth speaker to listen to music in your spare time