1. Lightweight and Portable: PU leather material, light weight, skin-friendly, soft and comfortable, washable. 2. Comprehensive Protection: The shell is flexible and shockproof, protecting your headphones from dust, scratches and external impact. 3. Convenient Charging: A charging port is reserved, so you can charge the headphones without removing the protective cover, and use all functions easily. 4. Humanized Design: With a key chain, it is easy to carry. 5. Note: There is only a protective case in the package, not headphones.