Somic G909 Virtual 7.1 Surround Sound VIB Vibration Extreme Bass Pro USB Gaming Headphone Headset with Microphone-Black Hardware decoding multi-channel audio chip, up to 7.1-channel virtual playback Built-in Germany VIB efficiency vibration unit, push powerful bass High-sensitivity microphone collection type design, easy to talk freely All inclusive closed ear, reducing outside noise Specially designed soft support structure, can reduce the pressure on the head