Beats by Dr. Dre UrBeats are Canal Earbud (In Ear Canal) In-Ear Only headphones that deliver great listening experience. The frequency range covered by the model is 20 Hz - 20 kHz. With 32 ohms impedance level and 115 dB sensitivity, this pair of Gold headphones produces authentic sound. In addition, the Wired model comes with a cord which is 1.2 m long. The headphones weigh 18 gr.