Sony MDR-7506 - closed-back studio headphones, black

Warnings: The product contains lithium batteries which may present a fire hazard. | Warnings: Avoid prolonged use at high volume levels to prevent hearing damage. | Warnings: Do not immerse in water or expose to extreme temperatures. | Recommended usage: Stage/Studio | Product colour: Black | Product type: Headphones | Carrying case: Yes | Weight: 230 g | Driver unit: 4 cm | Driver type: Dynamic | Ear coupling: Circumaural | Headphone sensitivity: 106 dB | Brand compatibility: Any brand | Connector contacts plating: Gold | Wearing style: Head-band | Maximum input power: 1000 mW | Cable type: OFC | Acoustic system: Closed | 3.5 mm connector: Yes | Foldable: Yes | Connectivity technology: Wired | Cable length: 3 m | 6.35 mm connector: Yes | Magnet type: Neodymium | Headphone frequency: 10 - 20000 Hz | Impedance: 63 Ω | Microphone type: Not available