Compatibility: Fit perfectly on Evolve2 65 (65MS 65UC USB), Evolve2 40 (40UC 40MS USB), Elite 45h On-Ear Wireless Headset. Please confirm your headset's model before purchase. Luxury Upgraded Earpads: Adopting Softer Protein Leather and high-density memory foam, our thickened earpads are designed for excellent bass and extreme comfort. What's more, our earpads will never go flat and cause discomfort as time goes by. Enhanced Sound: Your old earpads negatively affect the sound quality of your headphones, while our precisely modeled earpads will not affect the sound performance of your headphones and make your headphones look brand-new again. Flawless Installation: Our earpads perfectly fit your headsets and you can complete the entire installation within a few minutes. WE CONTINUE TO develop more professional and ergonomic ear pads. Please contact us at any time if there is an issue with your purchase.