Fangrui Product Details Multi-function Tuning Sound Card, Complete Functions, Simple Operation, Easy To Use, Built-in Lithium Battery. Universal For Mobile Phones And Computers. Adjustable High/middle/low Pitch, The High Pitch Makes The Sound Full And Clear With A Sense Of Penetration, The Middle Pitch Makes The Sound Ray More Stable, And The Bass Is Cleaner And Parent. One-key Elimination Of The Sound, Effectively Eliminating The Singing Voice, The Sound Is Clearer And More Penetrating During Live Broadcast. Live Broadcast Mode, Can Be Switched With One Button, Easy To Deal With Various Occasions, Let You Be More Professional In Live Broadcast. Electronic Tone, Professional-level Electronic Tone Adjustment, Customized And Personalized Different Electronic Tone, Change Different Sounds. Warm Up Atmosphere Sound Effects, Can Vividly Express The Mood Of The Live Player Through The Atmosphere. Professional Beautifu, One-key Voice Change. Automatically Recognize The Sound, Intelligently Reduce The Volume Of Background Music. Spec