... manufacture of all kinds of USB adapters and other computer, phone data cables, such as HDMI adapters, travel adapters, SATA ... cables, USB connectors, DB connectors, RCA jacks, hooks, etc. Our Headphone Adapter as well as other products mainly sell to North America ... Asia and other foreign countries. Our monthly production capacity of Headphone Adapter is 1,000,000pcs, but this is not our utmost ...