Sony MDR-V600 are Ear-Cup (Over the Ear) Headband headphones that deliver great listening experience. The frequency range covered by the model is 5 Hz - 30 kHz. With 45 ohms impedance level and 106 dB sensitivity, this pair of black headphones produces authentic sound. In addition, the wired model comes with a cord which is 9.8 ft long. The headphones weigh 9.1 oz.