Dongguan ShangYuan Electronics Co., Ltd Why did our Customers choose us? 1. Reply < 2 hours. 2. Delivery time > 100%. 3.Quality Control > 99.98%. 4.After-sales Service > 100%. Who we are? As an integrative professional audio supplier, we specialize in designing, developing, manufacturing, and marketing of all kinds of headphones, earphones,USB cables ,Charger,mini speakers .What can we do for you? 1. Good quality earphone&headphone or other audio products with competitive price. 2. We could let you feel heart-saving,time-saving,money-saving on your order. 3. OEM&ODM are welcomed.