SteelSeries Siberia Elite Headset with Dolby 7.1 Surround Sound (White) Retractable microphone with LED is capable of active noise cancellation Headband features lightweight, perfect-fit suspension design Intuitive control through rotary dials on ear cups Dolby ProLogic Iix produces rich immersive soundscape Compatible with Windows, Mac OS X, Android, and iOS Next-generation SteelSeries-proprietary 50mm speaker drivers with dual neodymium magnets deliver rich sound and low frequency power Dolby Headphone and Dolby Pro Logic IIx surround sound technologies for up to a virtual 7.1-channel immersive audio experience (PC or Mac with USB port for use with sound card, or any audio device with single or dual 3.5mm audio ports) Closed-back design for outstanding accuracy, clarity, and detail Upgradable and retractable unidirectional microphone for crystal clarity Advanced audio customization including 10-band EQ, mic volume control, mic background noise rejection, auto mic gain, custom sidetone Memory-foam ear cushions and headband for long wearing comfort Flat, soft, tangle-free cable with 8-pin mini connector. Volume and mic mute controls on earcups Includes cable ends for PC, Mac, and mobile devices