This handy cable is a must-have for any computer desk, backpack, travel bag, or vehicle. Connect any portable device equipped with a 3.5 mm jack to your home stereo, powered speakers, headphones, or car stereo. The ultra-flexible, flat design is compact and is relatively tangle-free. Don't worry about removing your smart phone's protective case to use this plug. Its slim housing will fit into nearly any phone case's AUX input.