Earpollution Ozone EarBuds with Microphone - Retail Packaging - Purple/Pink 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. Includes convenient in-line microphone to allow enjoyment of in-depth acoustic tuning, without missing calls from your mobile phone. 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