Description Ugreen Premium 3.5mm extension cable could extend any 3.5mm auxiliary jack up to longer length. It brings you favorite music by connecting your mobile device, like iPhone, iPod or any MP3 player to a car stereo or speaker system. Perfect quality let you enjoy wonderful life. The slim metal case connector allows you to plug it to your source device without taking off your mobile/Tab case. Specification 1.Premium quality metal connectors: straight head Stereo jack 3.5 mm male to female; 2.24K Gold plated housing and contacts for optimum sound quality; 3.Gold Plated plugs; 4.Oxygen-free copper provide maximum's conductivity and durability; 5.Connect your Cell Phone, IPod, MP3 player, Tablet or PC to your home audio system. Package Contents Ugreen 3.5mm Male to female extension Stereo Aux/Auxiliary Cable x1. NOTEs 1. If you use TRRS headphones (4-conductor) with this extension cable, the audio will work but the Mic won't. 2. the buttons of the headphone are not allowed to control when connecting to this 3.5mm audio cable. 3. A slim phone case is suggested while using this cable.