MP3 player metal housing 1.Material:Alu,Chrome,Steel,etc. 2.Color as you require 3.Can print your logo 4.High quality High Quality MP3 Player Metal Housing metal housing for mp3, mp4. ISO9001:2008 certified factory. Professional manufacturer, quick delivery. Application range; speaker metal shell, metal speaker housing, audio speaker housing,alumnium shell for electronics, aluminium housing, ...