iTek ITHH800. Purpose: Game console + PC/Gaming, Audio output channels: 7.1 channels. Headset type: Binaural, Wearing style: Headband, Colour of product: Black. Connectivity technology: Wired, Cable length: 2 m. Ear coupling: Supraaural, Headphone frequency: 50 20000 Hz, Impedance: 120 O. Microphone frequency: 100 10000 Hz, Microphone sensitivity: 38 dB, Microphone input impedance: 2200 O