Noise reduction-This live sound card is equipped with dual DSP noise reduction chips, which greatly reduces the impact of current noise and improves sound quality.$Applicable to a variety of devices-support mobile phones, computers, ipad, PS4, headsets, etc. Compatible with dual mobile phone live broadcast, mobile phone and computer live broadcast at the same time, music instrument input mobile phone live broadcast.$Multi-effects-This sound card has 12 electronic sound modes, 4 sound changing modes, 12 live broadcast effects, and any switching$Long working hours built-in large-capacity lithium battery, this live sound card can work continuously for 6 hours after being fully charged, and it is very convenient to carry out.$Multi-function-most of the functions are adjustable. Volume, reverb, microphone volume, bass, recording volume and music volume can all be adjusted.