1. Material:TPU + PC + metal 2. Total protection: it protects your earphones from dust, scratches, and external shocks. 3. Convenient charging: It retains the charging port, you can charge the earphone without removing the case, and use all functions easily. 4. Firm and convenient: sliding buckle cover switch, makes the headphone cover firm and not easy to fall off. 5. Personalized design, fashionable and beautiful. 6. Equipped with a carabiner: so that you can carry the earphone safely and conveniently anytime, anywhere. 7. Earphones are not included.