Behringer HPM1100 - closed headphones with microphone and USB connection

Headphone sensitivity: 96 dB | Microphone type: Built-in | Product type: Headphones | Ear coupling: Circumaural | Headset type: Binaural | Cable colour: Black | Impedance: 32 Ω | Recommended usage: Universal | Driver unit: 4 cm | Package contents: Foam Windscreen x 1 | Headphone frequency: 20 - 20000 Hz | Package contents: Ear cushions | Wearing style: Head-band | Cable length: 2 m | Product colour: Black | Connectivity technology: Wired