LIVE BROADCAST SOUND CARD: professional reverb adjustment, knob design, turning on the reverb can make the sound fuller and more three-dimensional. Supports 12 kinds of warm-up sound effects, one-key mute, reverb adjustment, treble and bass adjustment, voice change function, and strange sound effects. USB EXTERNAL SOUND CARD: clearer and more stable sound quality, with depth and spatial sense between accompaniment and vocals, making the live sound more rounded and three-dimensional. Beautiful backing vocals, multiple sound effects, outstanding functions, optimizing your voice. SMART DODGE: smart dodge mode is on; when the anchor speaks, the volume of the background music automatically decreases. When you are not speaking, the background volume automatically increases. DUAL PORTS: The podcast mixer sound card features a dual call port design to support two people live simultaneously and a dual live port design to stream live to two platforms simultaneously. INTERFACE CHARGING: When the sound card is connected, your phone and the sound card can be charged simultaneously, meeting the need for long-term live streaming. OTG lossless data live streaming, without the need for additional adapter cables.