About this item [Applicable Models] Specially designed compatible with AirPods 4, NOT for other models. [Multi-Angle Adjustable Hooks] The length of these ear hooks can be adjusted and the angle of rotation can be modified, ensuring a perfect fit for your ears. Made from thermoplastic polyurethane (TPU) material, please adjust them to suit your needs. [C-shaped Ear Hooks] The stable C-shaped ear hooks keep your AirPods securely in your ears and prevent them from falling out. Ideal for running, jogging, cycling, or any other exercises. Made from thermoplastic polyurethane (TPU), please adjust to fit your ears. [Silicone Wings Tips] Ergonomically designed ear hooks fit your ears perfectly and securely. They provide a secure fit and comfortable listening experience, making them great for running, jogging, cycling, yoga, and other activities. [Anti-Lost Strap] Made of silicone material, the strap connects your earphones together to prevent loss. Insert your AirPod into the end of the strap