SteelSeries Siberia Elite Headset with Dolby 7.1 Surround Sound (Anniversary Edition)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Next-generation SteelSeries-proprietary 50mm speaker drivers with dual neodymium magnets deliver rich sound and low frequency power </span></li><li><span class="a-list-item"> Dolby Headphone and Dolby Pro Logic IIx surround sound technologies for up to a virtual 7.1-channel immersive audio experience* </span></li><li><span class="a-list-item"> Closed-back design for outstanding accuracy， clarity， and detail， Retractable unidirectional microphone for crystal clarity </span></li><li><span class="a-list-item"> Advanced audio customization including 10-band EQ， mic volume control， mic background noise rejection， auto mic gain， custom sidetone* </span></li><li><span class="a-list-item"> Perfect-fit suspension design provides self-adjusting， durable structure and lightweight， comfortable experience， Memory-foam ear cushions and headband for long wearing comfort </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wtZTPvNOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317FEeehn0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21I687L9BgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/314-VbBBYoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Q919A7P6L.jpg" noproxy>