HyperX Cloud Stinger Core (HX-HSCS-BK/EE) "Driver: Dynamic, 50mm with neodymium magnets Type: Circumaural, Closed back Frequency response: 18Hz-23,000Hz Impedance: 30 Ω Sound pressure level: 102 ± 3dBSPL/mW at 1kHz T.H.D.: < 2% Input power: Rated 30mW, Maximum 500mW Weight: 275g Cable length and type: Headset (1.3m) + Extension Y-cable(1.7m) Connection: Headset - 3.5mm plug (4 pole) + extension cable - 3.5mm stereo and mic plugs Microphone Element: Electret condenser microphone Polar pattern: Uni-directional, Noise-canceling Frequency response: 50Hz~18,000Hz Sensitivity: -40 dBV (0dB=1V/Pa,1kHz)"