... the best quality products and the enjoyment of happy lives.1.earphones used for MP3, ... material12.CE/RoHS certifiedQuestions: 1:What is the raw material of your skull earphone ,the plastic or metal ... work with Ipod,Iphone and another Mobilphone ?Yes,of course ,the difference is jack ,different jack ... reference Color Requirements :We can make every part of earphone for different color,such as white ,black ...