Marvo HG9015G 7.1 USB Gaming Headset Sound: 7.1 surround (virtual) Frequency response: 20 Hz - 20 KHz Speaker size: 50 mm Speaker impedance: 21 Ohm Microphone type: omnidirectional Microphone size: 6 x 5 mm Microphone sensitivity: -42 dB ± 3 dB Backlight: Rainbow Connectors: USB 2.0 Cable length: 2.2 m OS support: Windows 7 or newer Feature Total immersion with 7.1 surround sound Outstanding audio with powerful bass sounds and clear treble High quality built and looks Adjustable Mic boom In-line remote control (volume, Mic, backlight on/off) Soft-cushioned synthetic leather ear cups |