Features: Wide applicability: Design specifically for E65BTNC, Duet NC, LIVE650, and 660 BTNC headphones, it fit perfectly and enhances the user experience. Quality material: Durability and environmentally friendly, ensuring comfort and safety for long time use. Ergonomic design: Adhering to ergonomic principles, it closely fit the ear, reduces sound leakage, and improves sound quality performances. Comfort Experience: The interior is filled with soft padding, reducing wearing pressure and maintaining comfort even after prolonged use. Convenient installation and disassembly: The design is simple, and the installation and disassembly is easy and fast, without complex operations, providing a high-quality music experience. Specifications: Color: Black Size: approx. 78x75x25mm/3.07x2.95x0.98inch Material: PU+soccer mesh cloth+sponge Applicable model: for E65BTNC Duet NC LIVE650 660 BTNC Headphones Package Includes: 1 Pair Earpads note: Other accessories demoed in the pictures is not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.