Profeion External Sound Card Audio Interface for Computer Phone Microphone Karaoke Live DJ Sound Mixing Console Voice Changer Feature: 1. 112 kinds of electric sound, 18 kinds of sound effects, 6 kinds of effect modes. 2. Reverberation size adjustment, microphone volume adjustment, high ba adjustment, recording volume control, music volume control, monitoring volume control (earphone function). 3. Support mobile phone computer use, support the use of single headset. 4. 7 kinds of connecting methods: one cell phone K song live, double cell phone live, three mobile phone live, mobile phone computer synchronous live, one computer live, computer accompaniment cell phone live, instrument input cell phone live. Note: Please do not directly initiate disputes, if you have any questions, please contact us at any time, we will reply to you as soon as we see your meage