Stereo Male Female 3.5mm Female to Female Bulkhead Jack Stereo Audio Adapters+3.5mm Male Plug to Male Plug Straight Audio Dual Track Adapter for Audio Earphone,Headphones,Bluetooth Receiver 3.5mm Audio Connector Plug This male to male adapter plugs into a female stereo connection on each end.and It easily inserts into any headphone or 3.5mm socket and provides a stereo connection. This female to female adapter is easily inserts into any headphone or 3.5mm plug and provides a stereo connection. Feature: Male to Male and Female to Female,Metal ,Stereo,ALL METAL Design for durability Rugged design can handle the most demanding conditions 1 set included