Razer Chimaera Wireless Gaming Headset - Xbox 360 & Windows Features - 2.4GHz Wireless Headset for Optimal Range & Freedom - The Razer Chimaera allows a wireless Xbox experience with no cables restricting your movement; the included charging dock makes countless battery swaps a thing of the past Extra Large 50mm Neodymium Drivers for True to Life Gaming Audio - Neodymium drivers provide high definition professional grade sound to give you true to life gaming audio; combined with extra soft circumaural ear cups you will play in maximum comfort at all times Up to 12 Hours of Battery Life for Uninterrupted Gaming - The Razer Chimaeras' batteries last for up to 12 hours, long enough for even the most extensive sessions of uninterrupted pwnage (pure ownage) Specifications -