... 1.in ear earphone for promotion 2.OEM&ODM welcomed 3.new desgin 4.best quality ABS+PVC 5.with CE & ROHS hot selling in-ear earphone ... and the earphone material elements,input ?Of course ,you can compare with other factory .about the material :ABS+PVC.3.5mm input4.what ... kind of earpads silincone does your factory provide ?The size :big ,middle ,small , and the color :white ,black ...