USB kara ok + USB 7.1 sound card cable Number:BW0211102 1.Removal of the human voice.2.Interaction between male and female voices.3.Adjustable echo/lift KEY/Vocals removed making the PC a home once the mid-point player.4.Network kara OK lian chang.5.An indispensable tool for recording.6.Two microphone inputs,easy women and men love songs duet.7.can be usde with a variety of free online karaoke song software OK to use.8.Adjustable features echo and elevating key.9.7.1 module to provide 3D environment condensate channel audio features.10.Built-AB power amplifier can be connected without the power 1W speaker and microphone to use special karaoke OK.11.To support Plug and play no external power supply.12.To provide 4 groups of space 23 kinds of environ mental sound field settings and set audio equalizer adjustment function 10.Packingcolor box100pcs/ctnN.W.:9kgsG.W.:10kgsCTN size: 66*51*35cmVolume weight:26.67kgsOther: 1.This product exported Mexico, the United States, Poland,Canada,England,and other countries. 2.We guarantee each product will be checked.3.If there are bad products, we will promptly pay compensation to customers without any charge.4. We also sell a lot of similar electronic products, varieties, good quality,cheap price.