CESS 3.5mm Stereo 3-Pin TRS Plug Jack Socket Adapter Cables Connectors (jcx) (10 Pack) Model: TRS( 1-Tip/1-Ring/1-Sleeve),Stereo,3 Pole 3.5mm 1/8 inch female socket Soldering type.Use for microphone jack, earphone plug, Audio Video AV PC. Nickel plated for maximum signal transfer & durability.Material :Copper Panel/chassis mount.