Product type: Studio headphones Recommended usage: Studio Product colour: Black Weight: 250 g Wearing style: Head-band Package contents: Carry Pouch Connectivity technology: Wired Detachable cable: Yes Cable length: 3 m 2.5 mm connector: Yes Warnings: Avoid prolonged use at high volume levels to prevent hearing damage. Impedance: 32 Ω Replacement earplugs: Yes Total Harmonic Distortion (THD) + noise: <0.02% Maximum temperature: 50°C Minimum operating temperature: -30 °C Acoustic system: Closed Headphone frequency: 2 - 23500 Hz Transducer type: Neodymium Driver diameter: 40 mm Ear coupling: Circumaural Folding design: No