1.promotional mp3 earphone 2.super sound 3.CE,FCC,RoHS ... stereo,various color for mp3,mp4 player2.advantaged price and high quality for mass purchase3.beautiful package for your retail4.provide ... . Our factory has successfully awarded the ISO 9001:2008 Quality Management System Certificate.Noted:The stereo plug could be 2 ... : T/T, Western Union,L/C at sight 2012 promotional earphone with high quality