ITEM NAME:10PCS 3-pin 1/8inch 3.5mm Stereo Audio Socket Jack for Headphones PJ-307 Description: Product Name: 3.5mm Audio Headphone Jack Socket 3Pin Dual Channel Interface: 3.5mm female Good replacement to replace your unwork, damaged, old socket. Installation instruction is not included, Professional Installation is recommended. Each item has been checked and in good.10Piece 3.5mm 3Pin Audio Jack Socket. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Interface: 3.5mm female.