Name :HyperX Cloud II Gaming Headset. Transducer type: dynamic Ø 53mm with neodynium magnets Operating principle: closed Frequency response: 15Hz–25,000 Hz Nominal impedance: 60 per system Nominal SPL: 98±3dB T.H.D.: < 2% Power handling capacity: 150mW Sound coupling to the ear: circumaural Ambient noise attenuation: approx. 20 dBa Headband pressure: 5N Weight: 320g Weight with microphone and cable: 350g Cable length and type: 1m + 2m extension Connection: single mini stereo jack plug (3.5 mm)