SteelSeries Siberia V2 Full-Size Gaming Headset with Built-In USB Sound Card - Frost Blue (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty Closed ear headphones, Pull-out Active Noise-Canceling microphone 50mm driver units, Crystal clear high, low and mid-tones Integrated volume control located on the cord Lightweight suspension construction, PC and Mac Compatible