In-ear 10mm high definition headphones with passive noise isolation. Features crisp highs, balanced mids and tuned for enhanced bass. Works with iPhone, iPod, MP3, CD, DVD, PSP and computers Wooden housing for crisp, accurate music reproduction Available in two beautiful finishes, Silver Cherry and Black Chocolate Passive noise cancellation minimizes ambient sounds Ultra lightweight design with PVC-free, tangle-resistant cable Dynamic driver features 20Hz to 20kHz frequency response 3.5mm gold plated plug for increased sound clarity Four sized flexible silicon ear inserts for secure fit (s/m/l/xl) Cord clip and cotton carrying pouch included