Hama 00051789. Device connectivity: Wired, Device interface: USB, Cable length: 4 m. Ear coupling: circumaural, Headphone frequency: 20 - 20000 Hz, Impedance: 32 Ом. Microphone sensitivity: 53 dB, Microphone input impedance: 2200 Ом. Compatibility: PS3, PC-Gaming, Xbox 360