Features These 3.5mm Stereo TRS Female Jack to AV 3-Screw Terminal Block Balun Connectors feature a 3.5mm Stereo Jack on one end and 3-Screw terminal block on the other end, connecting open wires to a 3.5mm stereo plug Screw/solderless type.Use for microphone, earphone, audio video AV PC. Gold plated for maximum signal transfer & durability. It is more convenient to use more quickly without welding. Size: 37.23x18x12mm/1.47x0.71x0.47" Quantity: 3 Pcs/1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Contents: 3 Pcs/1 Set x Terminal Connector