BASIC INFORMATION: It is compatible with cowin E7、E7 pro PROFESSIONAL MATERIAL: Professional memory cotton and top-grade protein skin are used. Memory cotton has good slow rebound characteristics, strong impact absorption ability, strong external stability of ear jacket, and is not easy to deform. Protein skin is softer and more skin-friendly than original. Enjoy the world of your voice！ THE SIZE : length: 3.46inch/88mm, width: 3.46inch/88mm, height: 0.79inch/20mm USE ENVIRONMENT: In normal temperature, dry environment, earmuffs have longer life, try not to use in high temperature, humid environment, it will be oxidized, cortex off. And often wipe it with a wet paper towel! VISION OF THE FUTURE:We will listen carefully to your voice, in order to look forward to work together to improve the product The earpads compatible with Cowin E7/E7 pro