Razer Kraken USB Over Ear PC and Music Headset - Black-(Certified Refurbished) [Windows 7] This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day limited hardware warranty Immersive virtual surround sound Everything from gunfire, to footsteps, voices, and even the wind in the trees can be heard with positional accuracy relative to your location in the game world Unidirectional analog microphone The unidirectional microphone of the Razer Kraken USB leaves no room for miscommunication: crystal clear audio reproduction, with balanced natural sounding tones, and little background noise pickup Designed for extended gaming comfort Field-tested by countless sports athletes, the Razer Kraken USB is comfortable on your head and ears for extended gaming sessions Its fully adjustable headband and closed ear cups with plush padding ensure a perfect fit every time