Features: 3.5mm Jack 4 Poles av balun terminals.1/8" (3.5mm) Stereo TRRS Female on one end.4 pin with thread clamp block on the other. Connecting individual wires with open cable heads to the socket. Ideal for changing a balanced signal to an unbalanced signal. Use for microphone, headphones, audio, AV video PC. Gold-plated, high-quality connectors for the best sound clarity. The connectors are equipped with a 3.5mm Stereo TRS Jack on one end and a 4-screw terminal on the other end, connecting the open wires to the 3.5mm Stereo TRS plug.3.5mm 1/8" Stereo plugs only, the other accessories demo in the picture are not included! Specification: Material: Plastic & Metal Dimensions: 23.4x37.5mm/0.92x1.48inchColor: Black & GreenQuantity: 3pcsNote: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 3x3.5mm 1/8" Stereo Plug (Without Retail Package)