Description Features: - You can use a large-scale audio equipment to use two mobile phones at the same time. Musical instruments, guitars, keyboards and other accompaniments. - Microphone volume adjustment and reverberation adjustment. - Treble Ba Alto Accompaniment Monitoring Digital. - 12 kinds of live special effects switch freely (laughter applause gunshots opening rituals please pay attention to rituals cheers kies praise contempt crows ) - One button mute 20 kinds of electro-acoustic mode 6 kinds of accent mode. Note: The data is measured manually, and there may be some deviation, but it does not affect the use. Due to the difference of equipment and shooting environment, the color may be slightly different, please understand. Product Weight: 300 G / 10.58 Ounces Product Dimensions (L*W*H): 185*120*25 MM / 7.28*4.72*0.98 Inches Package Weight: 500.0 G / 17.64 Ounces Package Dimensions (L*W*H): 250*140*35 MM / 9.84*5.51*1.38 Inches Retail Packaging: Yes, Colored Box Package include Package Including: 1 x Sound Card 1 x USB Cable 2 x Live Line