Shenzhen Vayina Sonic Co. Ltd, founded in 2008, we are a professional manufacturer of earphones products. We provide various earphones, such as ceramic earphones, metallic earphones, plastic earphones, etc. We are also the first and leader in making ceramic earphones in China and obtain many patents.With excellent quality and fashionable design, our serial products are widely used in the fields of walkmans, language learning devices, mobile phones, MP3 players, walkie-talkies, TVs, DVD players and Internet devices worldwide.