About this item Compatibility: Fit perfectly on E65 (E65BTNC), Live 650 (650NC 650BTNC), Live 770NC, Live 660NC, Duet NC Wireless Headphones. Please confirm your headset's model before purchase. Luxury Upgraded Earpads: Adopting Softer Protein Leather and high-density foam, our earpads are designed for ultra-comfort and rugged durability. 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. You will immediately feel the difference as soon as you wear them. Flawless Installation: Our earpads perfectly fit your headsets and you can complete the entire installation within a few minutes. Rugged Durability: We added stitching and mighty glue on the inside seams of each earpad to prevent them from splitting. We continue to develop more professional and ergonomic ear pads. Size: 7.6 x 5.2 x 1.22 inches.