Compatible with any Razer Kraken Headset Adjustable Straps Fits anywhere on the headset's headband without sacrificing comfort Waterproof & Sturdy Design Razer Kitty Ears are built to be water and damage resistant perfect for worry-free daily use Unique Headset Fashion The Razer Kitty Ears accessory is a one-of-a-kind strikingly unique statement to jazz up your headset (headsets sold separately)