We are a professional producer of all kinds of earphone,data line and adapter for 6 years. Business Scope: 1. A variety of headphones: headphones, ear hook headphones 2. Various earplugs: MP3/MP4 earplugs, tape recorder / repeater earplugs, radio earplugs. 3. A variety of communications headsets: mobile phone hands-free headsets, radio headsets 4. A variety of digital data lines: mobile phone data cables / download lines, MP3/MP4 data cables, print cables, USB extension cables and others