1. Headphone Protector Case Cover is made of high-quality silicone material, which is soft, comfortable, lightweight, washable, and durable. 2. It is anti-vibration, anti-fall, and can protect your earphones from damage. 3. Equipped with a hang buttonhole and a charging hole, it is easy to carry and use. 4. No need to take off the headphone sleeve and it will not affect the charging.