Corsair Vengeance 2100 Wireless - RF, Black (Certified Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer.^Wireless freedom-low-latency wireless audio untangles your gaming sessions for up to 10 hours^Dolby 7.1 surround-Precise and accurate audio immerses you in games and movies. // Large 50mm drivers-Epic bass. Crystal clear midrange.Hear everything you have been missing.^Designed for comfort-Microfiber wrapped memory foam ear pads and padded headband enable marathon gaming sessions. // Noise canceling microphone-Teammates hear you-and only you-with the unidirectional mic.^Oversized circumaural ear cups-Block out distracting sound and keep your head in the game.