Extends the distance between 3.5mm stereo connections. Connect stereo equipment or headphones with smartphones and speakers. Fully molded molded cables with built-in strain relief. Cable Type: Audio Cables; Connector/Port/Interface: 3.5 mm Male; 3.5 mm Female; For Device Type: Headphones; iPad™; iPod™; Smartphones; Connects Devices (From/To): Headphone to Smartphone.