Kingston Technology HyperX Steel Series Siberia V2 Gaming Headset - Blue (KHX-H2SS/WR) Award-winning Siberia v2 design features classic HyperX black and blue Headphones - Frequency: 18-28,000 Hz / Impedance: 320hm / SPLat1kHz, 1V rms: 112dB / Jack: 3.5mm Microphone - Frequency: 50-6,000 H / Pick-up pattern: Uni-directional / Sensitivity: -38dB Pro gaming optimized with clear low, mid and high tones so you'll feel like you're in the game. Passive noise reduction makes it great for listening to your tunes Backed by Kingston reliability and a One Year Warranty