[REAL TIME STREAMING TRANSMISSION]: Sound mixer streams in real time while charging, eliminating the need to switch cables. When plugged in, the phone and sound card can be simultaneously to meet the needs of long term live streaming. Charging 5V 1A, OTG, computer. [INTELLIGENT NOISE REDUCTION]: Stereo sound mixer one button intelligent noise reduction to reduce ambient noise. Effectively filter out AC interference, shield external noise, sound signal is clearer and more stable, sound quality common mode interference. [ONE BUTTON ACOUSTIC CANCELLATION]: Live sound card one button eliminates the sound. the vocal part of the music, change the song to the accompaniment with one key, and change the accompaniment of your favorite song in seconds. [PRECISE TUNING]: Voice changer sound card is clean and stylish on the outside, and powerful on the inside. Delicate and precise tuning. Adjust reverb volume, background music volume, microphone volume, and ear return volume. [PERSONALIZED ELECTRONIC TUNING]: Sound mixer has personalized electronic tuning to choose the beautiful sound that suits you, so you can make loud highs and lows during the live broadcast. The higher the treble, the the sound, the higher the bass, the clearer the sound. 1. The sound card has two basic functions: one is playback (the sound heard when playing locally): the other is recording, that is, the audio signal of the recording channel is stored or transmitted to the local or network through recording, chatting or singing software. process. 2. When singing, the volume of should be adjusted to be slightly louder than the accompaniment. 3. Among the reverberation effects, the reverberation effect originally called dry sound (DRY) is called wet sound (WET). When singing, an appropriate reverberation effect should be used to make the dry sound of the song clear and the wet sound properly dyed. 4. The sound characteristics of different microphones are quite different: (1) Condenser microphones generally have high balance, high fidelity, rich details, and a natural listening experience. It is not advisable to place the microphone too far away from the mouth. It can be placed close to the front of the chin, keeping a good distance of 5-10 cm to obtain better vocal frequency response and sound pressure. An appropriate distance can make the sound more natural and clear. It is best to use it with high-sealing monitoring headphones. Colour:Black Material:plastic Package Contents: 1 x Live Sound Card 1 x USB Cable 1 x Audio Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.