Sound card function: 12 kinds of electric sound, 12 kinds of sound effects, 6 kinds of effect modes, reverb size adjustment, microphone volume adjustment, high and low sound adjustment, recording volume adjustment, music volume adjustment, monitor volume adjustment (ie ear return function). Support mobile phone computer use, support separate headset use; 7 kinds of connection methods: single mobile phone karaoke live broadcast, dual mobile phone live broadcast, three mobile phone live broadcast, mobile phone computer live broadcast, single computer live broadcast, computer accompaniment mobile phone live broadcast, musical instrument input mobile phone live broadcast. Colour: Black Material: ABS Package Contents: 1 x Sound card 1 x USB data cable 2 x o cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.