EarPollution ThrowBax Headphones - Metallic Blue (EP-TB-MTLBLUE) With extra-large speaker drivers, Throwbax deliver super-deep bass, smooth, undistorted highs, and clear vocals. Lightweight and ergonomically designed, Throwbax have rotational cups to fit your head. Faux-leather headband, embroidered with the EarPollution logo. Compatible with iPhone, iPod, BlackBerry, and any other media device with a 3.5 mm jack. Driver Unit: 40mm neodymium - Impedance: 32 ohms - Sensitivity: 98dB+/-3dB at 1KHz - Frequency Response: 20 Hz to 20 kHz - Cord Length: 1.2 meters Driver Unit: 40mm Impedance: 32 ohms Sensitivity: 108dB+/-3dB Frequency Response: 5Hz to 20 KHz Cord Length: 1.2M