EarPollution EP-LG-NM-GRN Legion Earbuds - Green High impedance provides clear intonations, while neodymium drivers lend the highest quality sound. An angled design provides supreme comfort, while three ear tip sizes ensure a proper fit, providing stability. Legion EarBuds sport an edgy, jet-engine design and a colored cord. Compatible with iPhone, iPod, BlackBerry, and any other media device with a 3.5 mm jack. Driver Unit: 9mm neodymium - Impedance: 16 ohms - Sensitivity: 98dB+/-3dB at 1KHz - Frequency Response: 30 Hz to 20 kHz - Cord Length: 1.2 meters