SteelSeries 51103 Siberia Full-size Headset (Black) Based on the award-winning SteelSeries Siberia Full-size Headset, the v2 features major enhancements in sound quality, comfort and its microphone. Every element of the v2 has been optimized for pro gaming, making the headset a preferred piece of equipment for the worlds' best competitive PC gamers - the most demanding headset users in the world. The USB version features a 7.1 virtual sound USB soundcard that which is a great alternative for your on-board soundcard. Features: Closed ear Headphones Pull-out microphone Crystal clear high, low and mid-tones 50mm driver units Lightweight suspension construction Virtual Surround 7.1 USB Soundcard   Specifications Product Name Siberia V2 Headset USB (Black) Product Type Headset Connectivity Technology Wired Form Factor Ear-cup Product Model v2 Product Line Siberia Microphone Sensitivity -38 dB Sound Mode Surround Host Interface Mini-phone Cable Length 108" Compatibility PC Impedance 32 Ohm Standard Warranty 1 Year What's in the box: SteelSeries 51103 Siberia Full-size Headset, USB Sound Card, USB-to-MiniUSB Cable, 3.5mm Headset/microphone extension cable