Features: Cooling gel technology: innovative cooling gel material is used, good heat dissipation effect, effectively reduces ear temperature, and is suitable for long time wear. Comfortable fit: High elasticity sponge pad, perfectly fit the ear, reduces ear fatigue, and improves sound quality experience. Wear resistant: Wear-resistant, sweat resistant, stain resistant, easy to clean, and extends their service life. Easy installation: The design is reasonable, making it convenient for users to quickly replace the earmuffs and improving usability. Applicable models: for dedicated model wireless headphone. Specifications: Material: Sponge + Cooling Gel Diameter: approx. 90mm/3.54inch Quantity: 1 pair headphone earpads For dedicated model Wireless Headphone Package Includes: 1 Pair Earpads note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.