Haoyou Intelligent Technology Co., Ltd.based in Shenzhen, China, is one professional and leading audio products supplier, specialized in developing and manufacturing of audio products, ranging from stereo notebook speaker, portable USB 2.0 stereo speakers, RGB 2.0 gaming speaker set, 2.1 speaker set with bluetooth, soundbar for PC & TV, and PA/DJ speaker, etc. 后台栏目描述中修改12