RETRACTABLE MIC SYSTEM "Invisible", pull-out, uni-directional microphone found in the left ear-cup. FULL-SIZE EAR CUSHIONS Cloth padded ear cushions for comfortable fit and reduced background noise IN-LINE VOLUME CONTROL Integrated volume and microphone control located on headset cord. CUSTOM-ENGINEERED SOUNDSCAPE Specifically optimized for gaming sounds like footsteps, reloads, alerts and gunfire. Headphones Microphone Freq. response: 16 – 28.000 Hz Freq. response: 75 – 16,000 Hz Impedance: 40 Ohm Pick up pattern: Unidirectional SPL@1kHz, 1Vrms: 110 dB Sensitivity: -38 dB Cable: 1.8 m / 5.9 ft. Impedance: 2K Ohm Jack: 3.5 mm System requirements: Any PC or sound equipment with headphone and microphone mini jacks (3.5 mm).