1.8 Metre 2.5mm 4 Pole Plug to Plug Cable Overview - This cable is commonly used with camcorders, smartphones & some TVs for a link between the 2.5mm 4 pole jack socket connections. As it has 3 conductors and an earth (4 pole) it can carry a video and stereo audio signal between two devices. Nickel plated connectors - For a high quality connection. Durable PVC jacket - This thick jacket helps to protect the cable against wear and tear. Cable strain relief to protect the cable - Enables the cable to be bent in a multitude of directions without breaking.