About this item Quantity: (5-Pack) Size: 5.3 x 1.9 x 0.1 inches Color: (black) Connectors 1: (1/8') 3.5mm 3 Pole Stereo Audio Male jack, Connectors 2: 3 Pin Female Screw Terminal Block jack Product Applicable Equipment: Use for microphone plug, earphone plug, audio video AV PC plug. External connecting audio cable. Can extend the length of the 3.5mm audio cable, connect the cable with the cable end to the 3.5mm 3 pole stereo audio jack. Wire range: AWG26~16, Pin: 3way/pin, Compact design and reliable connection for the female 3.5mm audio to screw terminal adapter cable. Screw/solderless type, no soldering required, easy to use, requires only a screwdriver and a wire stripper to terminate 3.5mm cables. Saves time and hassle for installers. Dimensions: 5.3 x 1.9 x 0.1 inches.