SteelSeries 9H Gaming Headset for PC, Mac, and Mobile Devices Retractable microphone can activate noise-cancellation via USB soundcard Double enclosure design creates level of noise isolation unlike any other Swappable cable ends compatible with PC, Mac, phones, and tablets Double-braided cable includes integrated volume controller with microphone mute switch Plug, play, and win with flawless operation that needs no installation Next-generation SteelSeries-proprietary 40mm speaker drivers with 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 Double-enclosure, closed design for outstanding isolation from outside noise Fully retractable unidirectional microphone for crystal clarity, hides away completely when not in use Advanced audio customization including 10-band EQ, mic volume control, mic background noise rejection, auto mic gain, custom side tone Memory-foam ear cushions and headband for long wearing comfort Double-braided fabric, ultra-flexible cable with 8-pin mini connector Includes cable ends for PC, Mac, and mobile devices