GAMDIAS Hephaestus Virtual Surround Sound 7.1 Gaming Headset with USB, Blast Source Identifier & Heat Sink System(GHS2000) Reverberating simulated 7 1 channel sound effects USB input Blast source with shock wave vibrations to pinpoint blast source Cooler system for optimum temperature with built-in aluminum heat sink Noise cancelling Mic to filter out unwanted noise Flexible Mic arm bends in any direction ergonomic comfort with leather headband & ear pads for comfort EOS controlled microphone sound changer allowing high/low pitch tuning