eForCity This 6-foot 3.5mm audio cable allows you enjoy music, podcasts, and hands-free calling when you connect your smartphone to a pair of headphones with microphone or to your car's audio system. It features 4-conductor TRRS connectors, which provide for stereo audio and a microphone on a single connection, like the headphone connector found on smartphones, tablets, and laptops. This premium aux cord uses oxygen-free copper conductors, which are about 50% more conductive than the copper clad aluminum (CCA) conductors found in lesser cables, ensuring the highest possible audio fidelity.3.5mm Audio Cable, Male Male, TRRS 2CH w Mic, Nylon Braid Jacket, 6 Feet, Black3.5mm Audio Cable: This 6-foot 3.5 mm audio cable is perfect for connecting your smartphone to headphones with a microphone or to your car's audio system for hands-free callingTRRS Connectors: This aux cord for car and home use features 4-conductor TRRS connectors, which provide stereo audio and microphone connections for use with stereo headsets with a microphone and car audio systemsDurable: This premium 3.5mm audio cable features a braided nylon cable jacket, which helps prevent tangling and damage from nicks or cuts, as well as metal connector housings, for increased durabilityOxygen-Free Copper: The conductors in this 3.5mm auxiliary cable are made of oxygen-free copper, ensuring that your audio experience is second to noneCompatible: This aux cable is compatible with a wide range of devices, including headphones, earphones, smartphones, tablets, laptops, and PCsThis product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm.