Folding design easy to carry and doesn’t take up too much space. Stereo gives you perfect music enjoyment. Music anytime, anywhere. Can connect any audio player, such as iPod, iPhone, MP3, MP4, PC and so on. Adjustable Headband for perfect fit, over-the-ear design isolates external noise. Soft-cushion design for ultra comfort. Compatible with All devices with 3.5mm jack.