iHip Headphone Dc Comics Superman Folding Headphones Extra Bass iHip Headphone Dc Comics Superman Folding Headphones Extra Bass Headphones compatible with all ipod,iphone,mp3/mp4 player portable audio/video devices & games driver diameter 20mm-cord length 4ft -input plug diameter 3.5mm Offers great sound quality sensitivity 120 db-comfortable, lightweight and over-the-ear headphone features an adjustable headband, padded earcups for added comfort