Earpollution Ozone EarBuds Ozone EarBuds deliver super-deep bass, smooth, undistorted highs, and crystal clear vocals. Ozone EarBuds come with three tip sizes, to fit your ear canal. 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: 1.25 meters