Founded in 2008, Visodcards and Audio and video network interactive entertainment equipment. was established to develop and provide quality, well-designed as well as innovative sound cards. In the spirit of "your needs, our innovation,"we focus on developing hardware & software applications that revolutionize how people sing, chat and communicate on online social communities nowadays. Since the launch of Model KS108 in 2010, we have been the No. 1 brand in our industry with the largest market share in China for 6 consecutive years. We are t...