EarPollution Evolution Earbuds - Black/Gray High-definition neodymium speaker drivers provide maximum clarity and reduce distortion. Noise-isolating ear tips filter out unwanted sounds to give you the most natural, immersive listening experience. The flat, anti-tangle cord and right-angle jack prevent frustration and accidental disconnections. Compatible with iPhone, iPod, BlackBerry, and any other media device with a 3.5 mm jack. Driver Unit: 10mm neodymium - Impedance: 20 ohms - Sensitivity: 102dB+/-3dB at 1KHz - Frequency Response: 20 Hz to 20 kHz - Cord Length: 1.1 meters