Compatible for Razer Kraken 2019, Kraken Tournament Edition, and Kraken Pro V2 And SteelSeries Arctic 3/5, Bose NC700 / QC35, etc.（ Fit The headband size of the headset is ≥7cm≤9cm） The ears can glow in dark after exposing under lamp light for minutes!Absorbs better brightness in sunlight！ Lovely cat Ears dress up for your headphone ,Adding more fun！，Striking unique design to jazz up your headsets！ It is Silicone integrally formed and is not easy to tear, if it gets dirty, it could be easily wiped away. Package include: 1 Pair Pink Kitty Ears