Mad Catz F.R.E.Q. 7 Surround Sound Gaming Headset for PC Immersive 7.1-Channel Surround Sound Powered by Dolby Headphone Technology Precision-balanced 50mm Speakers Provide Outstanding Sound Quality Tough yet Lightweight Aluminum Components Enhance Longevity and Comfort Detachable Noise-canceling Microphone with Illuminated Mute Notification Easy-to-Find On-Ear Controls Allow Adjustments While Looking at Your Monitor Intuitive Software Interface for Easy Access to Equalizer and Dolby Headphone Settings 3.5mm Audio Cable Enables Stereo Compatibility with MP3 Players and Smartphones