1. Material:TPU + PC + metal buckle 2. Comfortable touch, dustproof and scratch resistant. 3. Bluetooth connection can also be smooth and unobstructed when installing the protective case. 4. Comprehensive protection against drops and bumps. 5. Equipped with metal carabiner, convenient to carry. 6. It retains the charging port, you can charge the earphone box without removing the case, and also support wireless charging. 7. Earphones are not included.