1. Lightweight and portable: PC material, light weight, skin-friendly and non-toxic. 2. Total Protection: The case is flexible, shockproof, and comfortable to the touch, protecting 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. Equipped with a carabiner: You can carry the earphone safely and conveniently anytime, anywhere. 5. Humanized design: fashionable and beautiful., you can easily open or close the lid by hand. 6. Earphones are not included.