Steelseries Siberia v2. Cable length: 3 m. Headphone frequency: 10 - 28000 Hz, Headphone sensitivity: 112 dB, Impedance: 32 Ом. Microphone frequency: 50 - 16000 Hz, Microphone sensitivity: -38 dB. Dimensions (WxDxH): 240 x 120 x 270 mm, Weight: 680 g. Certification: FCC, CE, RoHS, WEEE