V8 sound card phone electric sound card function: 12 kinds of electric sound, 12 kinds of sound effects, 6 kinds of effect modes, reverb size adjustment, microphone volume adjustment, treble and bass adjustment, recording volume adjustment, music volume adjustment, monitor volume adjustment ). Support mobile phone computer use, support separate headset use, 7 kinds of connection methods: single mobile phone K song live broadcast, dual mobile phone live broadcast, three mobile phone live broadcast, mobile computer simultaneous live broadcast, single computer live broadcast, computer accompaniment mobile live broadcast, instrument input mobile live broadcast. Sound card size: 127mm * 106mm * 27mm. Sound card lithium power: 1000 mAh (12 hours of continuous use when fully charged).