Features: 1. [Built-in battery] Equipped with a 500mAh lithium battery (which can be used for about 3 hours when the power amplifier is turned on), it is fully functional, easy to operate, and convenient to use. It is common in mobile phones and computers. 2. [Adjustable high and low pitched] High/medium/low pitched can be adjusted, with high pitched making the sound full, clear, and penetrating, while mid pitched making the sound line more stable, and low pitched making the sound cleaner and transparent. 3. [One click silencing] One click silencing effectively eliminates singing, making the live broadcast sound clearer and more penetrating. 4. [Multi order tuning] Multi order electronic tuning. Professional electronic tuning, different electronic tuning, changing different tuning. 5. [Applicable to multiple platforms] Simultaneous live streaming on multiple platforms. Live streaming mode, one click switching, easy to handle various occasions, making your live streaming more professional. Specifications: Charging interface: TYPE-C interface Analog audio output: LT/RT, stereo Dynamic range: 1kHz: 105dB Crosstalk: -106dB Signal to noise ratio: 285dB Output level (Vrms): Vrms (1.0-2.0V 10kR) Headphone output power: 5 mW x2CH Frequency response: 5MHz (<-3dB) Packaging List: 1 * Sound card 1 * Audio cable 1 * Charging cable 1 * Instructions