These headphones feature a soft rubber body and silicone earpieces for comfortable extended wear. The 3.3' color cord allows easy personalization. Earbud designDirects sound into the ear.Neodymium magnetFor sound reinforcement.11mm driversDeliver powerful audio.Soft rubber bodyAlong with 3 sizes of silicone earpieces provide a comfortable fit.Sound-isolating technologyHelps eliminate distracting outside noise so you can focus on your music.3.3' color cordAllows simple personalization.16-20kHz frequency responseFor faithful sound reproduction.108dB sensitivityFor powerful sound.16 ohms impedanceTo efficiently conduct power.