... DB connectors, RCA jacks, hooks, etc. Our Headphone Adapter as well as other products mainly sell to ... other foreign countries. Our monthly production capacity of Headphone Adapter is 1,000,000pcs, but this is ... flow to you.IF you have any interest about or inquiry of Headphone Adapter ,please contact me freely ... within the first fastest time. Universal Headphone Adapter with 2.5mm Male to 3.5mm Female