SNDIA 3.5 mm Male to Female jack Extension Stereo Audio Cable - 20 meter|For Headphones, Mobile Phones, Laptops & Computers ******EXCLUSIVE LENGTH 20 METER ******* Ideal for connecting portable audio devices, such as an Smartphones, tablets and MP3 players, to a car stereo, portable speaker or other 3.5mm-compatible output. A beveled step-down design allows plugs to be fully connected, even when bulky cases are on your device. Built with dual-shielding, high-quality polished metal connectors and corrosion-resistant gold-plated 3.5mm connectors. Seamlessly transmits stereo audio for high-quality sound, while ensuring reliability and reduced signal loss. The cable's flexible jacket is perfect for tight spaces. Seamlessly transmits stereo audio for high-quality sound, while ensuring reliability and reduced signal loss. The cable's flexible jacket is perfect for tight spaces.