LIVE BROADCAST SOUND CARD: professional reverb adjustment, knob design, turn on the reverb to make the sound fuller and more three-dimensional. Supports 12 kinds of heating sound effects, supports one-button mute, supports reverb adjustment, high and low tone adjustment, supports voice distortion function, strange sound effects. USB EXTERNAL SOUND CARD: the sound quality is clearer and more stable, the depth and spatial sense between the preservation and the singing, making the live sound more rounded and three-dimensional. Beautiful second voice calling fans, multiple sound effects, outstanding functions, optimizes the voice. SMART DODGE: smart dodge mode is on, when the anchor speaks, the volume of the background music is automatically reduced. When you are not talking, the background volume automatically increases. DUAL PORTS: The podcast mixer sound card has a dual call port design to support two people live simultaneously and a dual live port design to livestream two platforms simultaneously. INTERFACE RESOLUTION: When the sound card is connected, the phone and the sound card can be charged at the same time, meeting the need for long-term livestreaming. OTG lossless data livestreaming, without the need for extra adapter cables.