dear sir/madam, i am tyler, the sales from cbv electronics(website:), located in shenzhen, china, which is nearby hongkong, where we often attend the hongkong fair.as a professional earphone producer, our products cover from earphone for mp3, mp4, mp5 player, computers, mobile phones.we also have many models of headset, such as headphone, mp3 earphone, in-earphone, water-proof earphone, and so on. we are the leading digtal supplier in china.from the internet, i konw you are looking for a professionalearphone supplier in china, so i write to you.we do hope we can establish a long-time and steady relationship with you.the attached photos are samples of our representive earphone, we also have the capacity to produce earphones as you wish.for further conversation.please contact me freely: best regards!supply all kinds of earphone