【Sound Quality】the live sound card’s sound quality is clearer and more stable, ensuring a sense of depth and space between the extension and the voice, making the sound during the live broadcast more mellow and three-dimensional. | 【Bluetooth Wireless Accompaniment】the soundcard supports Bluetooth 5.0, independent Bluetooth switch key, open the Bluetooth key independently, less than or equal to 5m high fidelity reception, 10m effective distance. | 【Noise Reduction】one-click noise reduction to improve sound quality, raise your voice to the another level. | 【DSP Chip】Pickup DSP chip digital signal processor, digital signal calculates human voice, accompaniment and sound effect through multi-channel calculation. | 【Rechargeable Battery】The live sound audio mixer built-in 1800mAh battery。when the battery is less than 20%, switch the red light to prompt, the switch flashes when charging.